Tag: TPMS

Are You Seeing a Horseshoe-shaped Dashboard Warning Light?

What is the Horseshoe-shaped Dashboard Warning Light?

Its cold weather time again and time again to speak about the Tire Pressure Monitoring System (TPMS), and its associated warning light(s). Every year several million more drivers who have recently upgraded their cars will encounter the light for the first time.

Tire Pressure Monitor SymbolRare Tire Pressure Light w/ArrowsThese are two versions of the TPMS light, and either one is easily the most misunderstood warning light you’ll find on your instrument panel. And the fact that its shaped like a horseshoe doesn’t help.

First, unlike other yellow/amber lights, there is nothing wrong with your car — it presents you information about your tires and likely as not there’s nothing actually wrong with them either.

Why the Light Is On

There are two possible reasons why you are seeing this light. First, as the weather cools the most likely possibility is that all four of your tires are low on air (and/or the spare!). The second possibility is that one tire has a leak of some sort, but we’ll return to that in a moment.

Air expands when heated and contracts when cooled. Air that has cooled and contracted in your tires leads to reduced tire pressure. The warning light comes on and air needs to be added to your tires. Its important to note that air has not actually leaked out.

TPMS displayBut the warning light does not discriminate between cooling air and actual air leaks. It comes on if one tire is low or all four is low, so more information is needed. Your model may or may not include a display option like the one shown. It is a read out of the tire pressure in the individual tires. If all four tires read roughly the same, within a pound or two, the warning light is the result of seasonal cooling.

And while on the subject,  a thought for manufacturers. Every vehicle equipped with the tire pressure warning light simply must be equipped with this display. Leaving your customers in the dark by displaying the warning light only is unacceptable to us.

Now, if one tire is several pounds lower than the others, 5, 6 or 7 pounds or more, that tire is leaking and needs to be serviced as soon as possible.

If your vehicle is one that features only the warning light, the tire pressures need to be checked by hand to determine the cause — a single leak or seasonal reduction in all four.

If you’re not comfortable checking your tire pressures or with filling them, the good news is that pretty much every tire store, repair shop or car dealer will fill them for you at no cost. Its simple for them to do and they make a friend in the process, meaning more business from you down the road. Please drop in on one of them.

Tire pressure labelIf you are comfortable with checking your tire pressures and adding air, by all means do so. But you will first need to know the required tire pressure. Look for a label just below where the driver’s door latches. The required pressures will be shown. They will match left to right but will likely be a little different front to rear. Set the pressure on the pump and trust it. It will stop pumping once the proper pressure is reached. You may also find yourself using a pump with a built in gauge. Trust it as well and be sure to add your spare tire to the routine.

Each tire valve has a cap that needs to be unscrewed and removed. Don’t lose it — it keeps water and dirt out and will keep the valve from developing a leak.

Learn more about this warning symbol here.

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

Permanent link to this article: https://dashboardsymbols.com/2023/12/are-you-seeing-a-horseshoe-shaped-warning-light/

Know These 21 Most Common Auto Warning Lights

Common Auto Warning Lights

Every day, thousands of drivers are faced with a warning light that they may not recognize. Knowing what to do is important and not knowing can cost you money.

What follows are short explanations for twenty one of the most searched auto warning lights or symbols. If you see one of these on your dashboard or instrument panel, we’ll tell you what you can do and need to do. Follow the links for more.

Brake Trouble Indicator

Brake warningThis symbol is a Brake Trouble Indicator symbol. They could indicate a serious problem with the brakes. However, the light will also be on when the hand, or emergency, brake is engaged.

So, if you are sure the hand brake, or emergency, brake is released, bring your vehicle to a stop as soon as possible and contact your dealer. To continue driving could well be dangerous!

For more, including the Canadian version of the symbol, click here.

Parking Brake Indicator

Park brake midThis symbol is a Parking Brake Indicator. There are a number of considerations. The symbol to the right simply indicates that the parking, or emergency brake is engaged. Be sure to disengage the parking or emergency brake before driving.

There are similar images, so to learn more, click here.

Oil Warning Light

Oil warning midOne of the first idiot lights, this warning light features an old-school oil can. It is the Oil Level or Oil Pressure warning lights or symbol. A wavy line below the oil can indicates the oil level is low. Without the wavy line, your engine is telling you that the oil pressure is low.

Either way, check your oil! Right away! And for more information and more versions of the symbol, click here.

Check Engine Light

Check engine midThere are several versions of the dreaded Check Engine Light, and this one is the most common. It is one of the oldest of the symbols that you may see. The word “Check” may appear inside the image, or below, or not at all.

The image is that of an older style engine seen from the side. It includes a fan blade on its front and an air cleaner mounted on the top. This engine arrangement is rarely seen in modern automobiles and hasn’t been seen in decades and is thus unfamiliar to younger drivers.

The possible reasons for it coming on number in the hundreds and only your dealer or authorized service center can properly address them. However, remember that a loose or missing gas cap will cause the light to come on. This is the only solution available to the average driver, so do check that the gas cap is installed and properly tightened (make sure it clicks at least once).

Important! If other symbols are also active, note that the Check Engine is your first concern. In some cases, other systems in the car may be shut down until the reason the Check Engine light is active is addressed, and the symbols associated with those symbols may be activated. Be sure to check our Multiple Symbols page for more information.

And for more information on the Check Engine light, click here.

Temperature Indicator

Temperature warning midOne of the original idiot lights, at least in red, this is the Temperature Warning light or symbol. In red, it indicates quite simply that the engine temperature is too high. If you see this light, your vehicle should be stopped and the engine turned off as quickly as possible. Turning on the heater to the highest setting will remove some of the heat as well. Contact your dealer or authorized service center as soon as possible.

For more information including a blue version of the symbol, click here.

Master Warning Light

Master warning midThis is the Master Warning Light symbol, in red. If this light is on, there will likely be text displayed as well on the instrument panel, or another warning light. Look for text in particular. It could very well point out something as serious as low oil pressure. However, despite the serious look to the symbol, it is generally associated with simple reminders such as a door ajar or that it is time to change the oil.

For more information, including the meaning of a yellow/amber version, click here.

Tire Pressure Monitoring System Indicator

TPMS Indicator midThis is the Tire Pressure Monitoring System (TPMS) or Tire Pressure Monitor (TPM) warning light symbol. It is also used as Flat Tire Monitor (FTM), which seems redundant. The tell-tale comes on when the inflation on one of the tires is reduced about 25% or more. In most cases, that will be about eight pounds. This is easily the most misunderstood symbol you will ever see on your instrument panel.

So, first, check your tire pressures! But to truly understand this warning light, click here! There is so much more to know.

Slip or Stability Control Indicator Symbol

Slip warning midThe image of a car with squiggly or wavy lines behind it is the Slip Indicator symbol. When a vehicle detects slippery conditions, its stability or traction control system is activated. The light will flash, irregularly in some vehicles, indicating that the system is doing its work, helping to keep the vehicle in control.

Again, it will flash when its doing its job, despite the look of a skidding car! So, to fully understand this warning light and related lights that may indicate a system fault, click here.

Reduced Engine Power Indicator

Reduced power midThis is a Reduced Engine Power Indicator. Only a handful of manufacturers use this light, which comes on automatically with a reduction in the vehicle’s performance. Given what is likely an obvious reduction in power and acceleration, the symbol itself becomes redundant. The image is the same one used for the Check Engine Light above, with the added arrow pointing down.

The fault is likely in an electronic system, and one vehicle maker suggests stopping the vehicle and restarting it after 10 seconds. This may reset the system and thus resolve the issue. If this does not work, see your dealer or authorized service center as soon as possible.

For more information, click here.

ESP/BAS

ESP BAS indicator midThis combined system warning indicator covers the Electronic Stability Program (ESP) and the Brake Assist System (BAS). These systems work together, and a fault in either, or both, will cause the light to come on. If it remains on, see your dealer or authorized service center.

Primarily, the light indicates a problem with one or both systems, so click here to learn more.

Key Fob Indicator

Key fob midThis is the primary Key Fob Indicator. A number of picture symbols are used to indicate the presence of an electronic key in a push button or, ironically, keyless start, or keyless ignition, vehicle. These systems will allow a vehicle to be started only when an electronic key is present in, and detected by, the vehicle.

A flashing red Electronic Key symbol shown indicates that the key is not detected. If the Key is in the vehicle, its internal battery is likely dead and needs to be replaced. The same Electronic Key symbol shown in green indicates that the key is found and the vehicle can be started.

There are many, many more versions of this warning light and many more warning lights that use the image of a key. So please click here to learn more.

Intelligent Brake Assist Off Indicator

IBA off midThis is an Intelligent Brake Assist (IBA) Off Indicator symbol. IBA uses lasers to identify approaching obstacles and applies the brakes accordingly. The light comes on when the IBA switch is turned off. If the light comes on while the system is on, it is either unavailable temporarily or is malfunctioning. Check that the laser sensor is clean, when it is safe to do so.

To learn more, click here.

Cruise Control Indicator

Cruise midCruise Control Indicator light in text form. This light is illuminated when the cruise control is engaged. It is perfectly straightforward, as opposed to the two image symbols below that are now often used in its place.

To learn more and see more symbols related to the Cruise Control system, click here.

Loose Gas Cap

Check gas cap mid 2This is the most common Check Gas Cap Indicator symbol. It is one of the few things the average driver can do anything about. The image, which is really half of a car with an unscrewed gas cap, can look like a water pitcher with a screw or bolt next to it.

Don’t ignore the light! A loose gas cap will lead to the Check Engine Light. For more, click here.

Park Assist Symbol

Park assist midThese are Park Assist Indicator symbols. The green version will be visible when the system is activated and working. The manufacturer may refer to this as Intuitive Parking Assistance, Park Distance Control (PDC), etc. It looks like a sail with lines radiating from it!

To learn more or if its in yellow amber, click here.

Washer fluid

Low washer fluid midThis is a Low Windshield Washer Fluid Indicator symbol. Fill the windshield washer fluid reservoir as soon as possible. The image actually resembles an open hand-held fan, which is supposed to be the windshield. The dashed lines represent two steams of water.

To help find what and where to refill, the same image will be found on the reservoir’s cover under the hood.

But, do not confuse this light with others you can find by clicking here.

AFS Off

AFS off midThe acronyms AFS and AFLS in these symbols or indicators stand for Adaptive Front-lighting System or Adaptive Front Lighting System. The difference is very subtle and is the result of a manufacturer choice only.

If it includes the word OFF, it indicates that the system has been turned off with an available switch. Look for the switch, which may have been tripped accidently. It may also be tucked nearly under the dashboard in a Toyota or Lexus.

You may have a similar image. Click here to find out.

Tail Light Out Indicator

Tail light out midThis symbol is a Tail Light Indicator symbols. The replacement of a light bulb or two will restore order. Some manufacturers add a text message in the instrument panel noting exactly which light is out. The symbol is often described as eyelashes coming out of the back of a car!

For more, including the Stop Light version, click here.

High Beam Indicator

High beam midThis symbol is the High Beam On indicator. The light is active only when the high beams are active (turned on) and has been a standard in vehicles for decades. It is one of only a select few presented in a blue color.

Fog lamp

Fog lamp midThis the Fog Lamp Indicator symbol. The indicator in green is active only when the fog lamps are activated. The wavy or squiggly line crossing straight ones is meant to indicate light passing through the fog.

Learn more by clicking here.

Headlamp Out Indicator

Headlamp out midThese are Headlamp Out Indicator symbols. One or more of the headlamp bulbs is burned out or malfunctioning. This is another symbol that may utilize an exclamation point, which always indicates a problem, even if its in the green color. Another symbol in yellow/amber only is an alternative Lamp Out indicator.

Learn more by clicking here.

Vehicles examined include those from Acura, Alfa Romeo, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Fiat, Ford, Fisker, Honda, Hyundai, Infiniti, Jaguar, Jeep, Kia, Lexus, Lincoln, Mazda, Mercedes, Mercury, Mini, Mitsubishi, Nissan, Opel, Saab, Saturn, Smart, Subaru, Suzuki, Tesla, Toyota, Vauxhall, Volkswagen, and Volvo.

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the  use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

Permanent link to this article: https://dashboardsymbols.com/2019/05/twenty-one-most-searched-auto-warning-lights/

Warning Light Image Fails

A New Image Please!

We are going to have a little fun here, pretty much at my expense.

We have long railed about the images chosen for warning lights. They are intended to be easily interpreted by the average driver, but nearly across the board are a total fail. Follow along to see why!

EngineCheck engineFor instance, the check engine light uses the image of an engine configuration that is rarely if ever seen anymore. A belt driven fan on the front and an air cleaner on the top.

An entire generation of drivers have never seen an engine like this, but they are supposed to understand and recognize the check engine light as an engine problem.

Oil can tooOil light largeThe oil light uses an image of an oil can that hasn’t been seen in 50 years. We went looking for images of this style oil can and found one — literally old and rusted. Drivers interpret warning lights through the filters of their own experience, and this one is more easily associated with a Aladdin’s lamp. Thank the movies and tv.

TPMS largeAnd then there’s the tire pressure warning or TPMS light. Again, it is meant to be easily recognized and understood, but its a slice of a tire! Who’s ever seen a slice of tire? Using their own experience, drivers calling service departments I’ve worked in have called this an exclamation point in parenthesis or brackets, an exclamation point in a horseshoe, flames – destined to be a classic! Remember, the light is a yellow amber color.

A wishbone, an exclamation point in a fish bowl. That even accounts for the lip. An exclamation point in a cup, And finally, my personal favorite, a candle in a glass!

Not a single caller ever described the light as an exclamation point in a slice of a tire.

So here’s the fun part. I paid a visit to a local Audi car dealer recently, and well here it is.

Tire sliceAn Actual Slice of a Tire!

I flipped it over to take the picture to be sure the tread was visible, because it wasn’t sitting the other way around on the shelf.

The dealer the piece to be able to point out reinforcement in the tread near the edges for cornering, certainly something Audi prides itself on. And they have a list of manufacturers who make sure their tires can be recommended by the company.

So, now we’ve seen a slice of tire and so too any number of customers getting service at this particular store. But having seen this, the warning light does not immediately become recognizable. Note the low profile nature of the tire that was sliced. This type of profile is seen on damn near everything today, again adding to the obsolescence of the warning light.

So we get to keep our reasoning. The typical warning light simply doesn’t reflect not only the real life experiences of drivers, they don’t even reflect the reality of today’s cars!

The upshot is this experience allows us to repeat a call to the industry to let the car talk to the driver. Its time for plain language explanations for what is wrong and should or needs to be done. Period.

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the  use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

Permanent link to this article: https://dashboardsymbols.com/2018/08/warning-light-image-fails/

The Single Most Misunderstood Warning Indicator on Your Instrument Panel – Part II

Misunderstood Warning Indicator: Continued from Part I

This suggests four possible scenarios. The first three assume the light is not flashing:

1) All the tires are low on air (check your spare in the trunk too, if you have one). This occurs seasonally as the weather cools, and possibly several times. Solution? Check the pressures and inflate your tires properly.

2) One tire is low. This likely means a nail or other fault causing the tire to leak slowly. Checking all of the tire pressures will reveal a single tire to be low. A qualified service facility will be needed to address the problem.

3) The system needs to be reset. If you’ve recently had the tires rotated or replaced, check with your dealer about resetting the TPMS system.

4) If the light is flashing, there is a fault in the TPMS system, which your dealer or qualified service shop will have to resolve. Again in the first three cases, the light is simply illuminated, not flashing.

If you must drive before addressing the light, please do so carefully…under inflated tires are a potential hazard. Your tires are the only thing between you and the pavement. The light will go out after the proper tire pressures have been restored and after a bit of driving.

And by the way, the light will also come on if a tire blows, but the blowout will have your full attention…

So please, show this light some respect! Its doing its job, even if you see it illuminated on multiple occasions during year! Your tires need the attention.

Now if every car could tell you which tire and the exact air pressure…

Rare Tire Pressure Light w/ArrowsFinally, there are a handful of cars that use this symbol instead, so be aware! Its still a cutaway of a tire, and somewhere along the line it was decided that the exclamation point would be more easily understood.

In another article, we discuss how too many of the warning symbols shown on today’s instrument panels assume too much of today’s information-overloaded drivers and do everyone a disservice.

The International Standards Organization (ISO) establishes symbols for use on controls, indicators and telltales applying to passenger cars, light and heavy commercial vehicles and buses, to ensure identification and facilitate use.

It also indicates the colors of possible optical tell-tales, which are supposed to inform the driver of either correct operation or malfunctioning of the related devices. The American National Standards Institute also has a hand in this.

To date, the ISO has defined over 220 of these symbols, and growing! They are supposed to be identified easily by all people everywhere regardless of language and background. But all the good intentions – and not too mention a good deal of time, effort and money – has resulted in far too many symbols that mean absolutely nothing to the average driver.

Check out the videos below.

And one filling the tires.

… Back to Part I

The Single Most Misunderstood Warning Indicator on Your Instrument Panel – Part I

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the  use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

Permanent link to this article: https://dashboardsymbols.com/2015/01/the-single-most-misunderstood-warning-indicator-on-your-instrument-panel-part-ii/

Seven Things to Know About Tire Pressure Monitoring Systems

Know Your TPMS

Its Fall (2014) and time once again for your car’s equivalent of Seasonal Affective Disorder, your Tire Pressure Monitoring System or TPMS. If equipped, one of the two TPMS warning indicators shown will soon attempt to get your attention (Drivers most commonly describe the lights as horseshoes with exclamation points or arrows in them but they are actually a “slice” of a tire). Here are seven things you should know about TPMS.

Tire Pressure Monitor Symbol1)

Unlike any other yellow/amber or red light, these indicators do not normally point to a problem with the car. Rather they are meant to inform. It may be annoying, but the light is doing its job and alerting you to the risk of low tire pressure.

Rare Tire Pressure Light w/Arrows2)

The light comes on (first) in the fall primarily because air shrinks when it cools. So as autumn takes hold and the weather cools, the air in your tires—including the spare—will shrink causing the pressure in your tires to go down. If you are fortunate enough to have a system that also shows the actual pressure in your tires, you will be able to see that they have all “lost” the same amount of pressure.

3)

If the cause is cold weather, no air has actually been lost – it is simply that the existing air is no longer capable of filling the same space! In colder climates, you will likely be prompted to add air to your tires two or three times before the onset of spring. Note that tires will warm while driving, and so the light may resolve itself after a few miles. You will see the light again once the tires cool down. Also, if you garage your vehicle at night, you may only see the light while out and about in the cool air, which can be confusing.

TPMS Malfunction Indicator4)

The text indicator, TPMS, is a Malfunction Indicator only. If your vehicle is equipped with this additional tell tale and it remains lit, the Tire Pressure Monitoring System is not operating and needs to be checked by a qualified repair facility.

5)

If your vehicle has only the picture symbols AND there is a malfunction, the indicator will flash. Have it checked by a qualified repair facility.

6)

Do not ignore the possibility that one tire may have picked up a nail or other object and is actually leaking air. This will activate the same warning light. Make a visual inspection of your tires any time the light comes on. A leaking tire will quite likely look “flatter” than the other three. Get to your favorite service department fast!

7)

No other system in your car requires attention due to the season! Fortunately, the cure is relatively simple, and while service departments dislike the annoyance of constant calls regarding TPMS light “trouble” in the fall, most will check and refill your tires at no cost. After all, they will and should be happy to have you available for additional service!

And finally, if your car is NOT equipped with a Tire Pressure Monitoring System, your tires will still need some seasonal help. Check your tire pressures!

Related posts and videos:

https://dashboardsymbols.com///2010/09/tire-pressure-monitoring-system/

TPMS video.

And this one, helping you fill your tires!

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the  use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

Permanent link to this article: https://dashboardsymbols.com/2014/09/seven-things-to-know-about-tire-pressure-monitoring-systems/

A New Name for Adaptive Cruise Control Revisits an Old Question

Another Name Change

Adaptive Cruise Control systems have been available from many auto manufacturers now for several years, These are systems that allow a car to maintain a set distance from a vehicle ahead of it. Kia Motors now in 2014 has it available in its Cadenza and K900 models. The fact that the company has chosen to call the system “Advanced Smart Cruise Control” prompts this piece.

Never mind that manufacturers were already bouncing between the names Active and Adaptive Cruise Control and Radar Controlled Cruise Control. Now the motoring public has a new name – and a new acronym (ASCC) – to adjust to.

Too Many Examples

This is not the first time we’ve commented on the topic of nomenclature. Drivers already face too many instances where their automobiles can make them feel inadequate and under the gun. A look through our Acronyms page finds three names as well for blind spot monitors, five versions of lane departure systems, and no less than twelve names for stability control (go ahead, count them up!). Is any of this really necessary? The answer is no…

It is a wonder that drivers know any the names of the many Smart Cruise Control Malfunction Indicatorfunctions of today’s vehicles and understand what they do. It is a greater wonder that they recognize its associated warning light! Seriously, does the light shown on the right mean that other car is about to hit? We’ve been asked that question!

In the meantime, beleaguered sales and service personnel spend hour after hour explaining advanced systems to their customers and struggle with what is an Automotive Knowledge Gap – drivers simply don’t understand their cars. Meanwhile, the industry continues to build the equivalent of the old VCR with a clock that only a select few know how to program.

Anti-lock Brakes (ABS) and Tire Pressure Monitoring Systems (TPMS) are standard names across the industry. Where is the consistency, the standards, the sanity, when it comes to other advanced safety systems?

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the  use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

Permanent link to this article: https://dashboardsymbols.com/2014/05/a-new-name-for-adaptive-cruise-control-revisits-an-old-question/

All Wheel Drive Trouble Indicators

All Wheel Drive

All Wheel Drive Trouble IndicatorAWD Trouble Indicator 2These are the All Wheel Drive (AWD) Trouble Indicator symbols. These lights will be on when All-Wheel Drive is disengaged and the drive mechanism is switched to Front Wheel Drive for maintenance or if there is a problem with the system. The car can be safely operated in front wheel drive.  With the exception of the red symbol below, all these symbols appear as yellow/amber.

  • Before continuing, is one of these truly your symbol?? If yes, continue on below.
  • Otherwise you can return to our main Text Symbols page and scan again!

eAWD IndicatoreAWD indicatorOf course, if the vehicle is electric (EV), it gets its own indicators. The only reason to do this is that the All-Wheel Drive system is actually electric. In yellow/amber/orange, the electric AWD system is limited, and will turn off when the system is working normally.. In red, there is a malfunction. A good repair shop or your dealer will be needed.

All wheel drive failureThe symbol to the left also includes a stick figure image meant to look like four wheels with the front wheels turned to the right. All these lights incorporate the AWD acronym and may include an exclamation point. Malfunctions may be indicated by the system before a real problem is obvious, but don’t waste time. Have the system checked out as soon as possible.

These symbols will flash if the vehicle is fitted with tires of differing diameters or if the air pressure in any of the tire drops dramatically. The AWD system will be unavailable, but the main front or wheel drive wheels will operate normally. The Tire Pressure Monitoring System (TPMS) light will also very likely be lit, if the vehicle is equipped with the system.

Aff Wheel Drive only Engaged IndicatorSome older vehicles use this red FWD light to indicate a problem with an All Wheel Drive system. FWD stands for Front Wheel Drive, and in this context means that the AWD has been disengaged automatically due to the problem. Only the front wheels will be available until the AWD system is repaired.

Related Symbols

All Wheel Drive DisabledAWD Malfunction IndicatorThe picture symbols shown to the right are very much related. Click here for more.

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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the  use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

Permanent link to this article: https://dashboardsymbols.com/2012/05/all-wheel-drive-trouble-indicator/