Fob Detection
These are all variations of of Keyless Ignition Key Fob Detection indicators. 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 without turning a key in an ignition switch but only when an electronic key is present in, and detected by, the vehicle.
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The image seen as an open padlock with lines radiating away in yellow/amber as well as the black and white images with a padlock are used to indicate that the proper key fob has not been detected. Its internal battery may be dead or the fob is actually missing.
Many More Versions
A flashing red Electronic Key symbol on the left indicates that the key fob is not detected. If the fob 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. The last one in yellow/amber is yet another style indicating a problem. But, there’s still more…
This one, which is an image of a key with a line drawn through it in yellow/amber, indicates that the key fob is not present or is malfunctioning. So, if the key fob is present, have your dealer or a locksmith repair or replace it.
Note that some manufacturers will have the light flash in green to indicate a weak fob battery. Thus, any time an electronic key indicator is seen to flash, consult your manual or your dealer for clarification. And the image in actuality is shown by its vehicle manufacturer when the system is in use. Nothing more.
These are Key Fob Indicator symbols and are meant to resemble the driver’s hand-held remote control, or fob. The one on the left indicates that the fob is not detected or has been removed from the vehicle. If the fob is in the vehicle, it is not detected and its battery is likely dead. The symbol to its right with the added lighting bolt indicates that the fob is detected but that the battery in the fob is low and should be replaced.
These symbols are Low Key Battery Indicators. The images of a key are shown above or alongside the image of what most resembles a AA or AAA battery with its level low. One adds the letter E for empty to the right. Replace the battery as soon as possible. They do NOT use AA or AAA batteries!
Electronic keys, key fobs, remote controls, smart keys, intelligent keys, advanced keys are all terms used by manufacturers and drivers to describe the same device. You get to get into and start your vehicle only if the correct device is present, has a working battery and is not interfered with by other electronics (actually rare). All the images include the representation of a key and depending on the manufacturer, may include an exclamation point, a question mark or even a lightning bolt.
Similar Symbols
Do not confuse these with other automotive trouble symbols that make use of the image a key. Click here or here, right to left, for more information.
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The information on this website is provided 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.
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.
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.
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The author has 30+ years of automotive experience and has assembled the most extensive collection of symbols and warning lights anywhere (over 1,000!) and can help you open and start any keyless start car with a dead key fob battery. BA, St. Joseph’s, ME: MS, RPI, NY