How to Start a Lincoln with a Dead Key Fob
Starting Your Lincoln
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Lincoln vehicles employ far too many backup methods, with new variations added seemingly each year. For full- and mid-size vehicles, insert the Intelligent Access key in the backup slot, located in the glove box, the center console, or in or under the cup holders, depending on the model. On this page you will find what you need to start the Aviator, Continental, Corsair, MKC, MKS, MKT, MKX, MKZ, Nautilus, and Navigator models
We have video help for most of the options here.
The backup slot for full- and mid-size vehicles is the same as that used for key programming. In all cases, the slots do not look at all obvious, except that they are the proper size for the Intelligent Access key.
After inserting the key into the backup slot, use the Start / Stop ignition button and brake pedal to start your vehicle as usual. The vehicle should respond normally as long as the Intelligent Access key is in the slot.
Once the vehicle is started, the key fob can be removed from the backup slot, if you wish. But first, you will need to locate that slot.
Locating the Back-up Slot
The MKS is unique in using the glove box as the location for the backup slot. It is to the far right side under the glove box door, and may be difficult to reach. Slip the Intelligent Access key down into the slot with buttons facing out and with key ring up or out. See the image.
After inserting the key, use the Start / Stop ignition button and brake pedal to start your vehicle as usual. Once the vehicle is started, the key can be removed from the backup slot, if you wish.
The backup slot is located in the center console in the Aviator, Corsair, MKC, MKT, MKX and Navigator models. The exact location will vary somewhat. Most consoles are filled with stuff, so you may need to dig a 
bit.
In the Navigator, until 2018, the Intelligent Access key slot is to the rear or the side of the console and points up. The key fob is slipped in vertically or horizontally depending on the slot’s shape, with the buttons facing out, as in the image shown.
In 2018, the Navigator location is moved to the back wall inside the center console (right). It should look like a pocket anchored to the back wall. Slip the key fob in vertically with the buttons facing forward.
Aviator models use a similar pocket, but it is anchored to the front of the center console. Slip the Intelligent Access key fob in vertically with the buttons facing the back of the console.
In 2025, a new console arrangement is available in the Aviator and the back up slot is 
beneath the rear cup holder. Remove the bottom liner from the cup holder by pulling it up by the tab (see image to the right). The slot is then revealed. Drop the fob into the slot with the buttons facing the rear of the rear of the car.
Note that the older console style is still available in the 2025.
The Corsair also uses a location at the front of the center console, but it is built into 
the front wall structure ( lower right). For this model, the key fob should be placed on its side with the buttons facing the back of the console.
After inserting the key, use the Start / Stop ignition button and brake pedal to start your vehicle as usual. If it fails to start, turn the fob so that the buttons face back and try again. Once the vehicle is started, the key fob can be removed from the backup slot, if you wish.
You will find a video of the process here that will help.
In MKT, MKZ Hybrid (2013) and new (2017) Continental models, the slot is found near the Auxiliary, USB and power ports in the center console, like the one shown. The Intelligent Access key is slipped in with the buttons facing out and the key ring up (in one vehicle we tested, the vehicle started with the buttons facing either direction).
After inserting the key, use the Start / Stop ignition button and brake pedal to start your vehicle as usual. Once the vehicle is started, the key can be removed from the backup slot, if you wish.
In the MKC and MKX (through 2015), the backup slot is to the front of center console, also found near the Auxiliary, USB and power ports, as shown. The Intelligent Access key is slipped in with the buttons facing out and the key ring up. The slot is impossible to see and you may want to feel for the ribbing at the bottom of the slot.
In 2016, the back up slot in the MKX is moved to the bottom of the center console. The Nautilus, new in 2019, uses this location as well. There is a visible depression in the console’s floor the shape of the key fob. Place the fob in the depression with the buttons up and key ring end facing forward.
In 2024, the back up slot in the Nautilus is moved to the front of the center console (image right). Slip the fob in with the buttons facing the rear.
After inserting the key, use the Start / Stop ignition button and brake pedal to start your vehicle as usual. Once the vehicle is started, the key can be removed from the backup slot, if you wish.
New in the 2014 MKZ and MKZ Hybrid the backup slot is hidden under one of the cup holders.
A rubber mat at the bottom of the cup holders may need to be removed (A) to expose the slot (B), as shown. Of course any cups will have to come out too! Look for a tab towards the front or the side of the mat to grab and pull (gently!)*.
*Important: If you do not find a pull tab, do try removing the mat. Simply place the key fob in the rear cup holder and start the car as normal.
After inserting the key fob, buttons facing the back of the car, in the exposed slot, use the Start / Stop ignition button and brake pedal to start your vehicle as usual. Once the car is started, the Intelligent Access key can be removed and the mat, and any cups, replaced.
Note: If you have made an attempt to start any of these vehicles without success, there may be residual pressure in the brake system and a new warning light may appear (left) or text 
message to Step on the Brake. Press the brake pedal very, very hard when trying to start the vehicle again to be sure that the release switch behind the pedal is engaged. Or wait a few minutes and try again.
… Return the Part 1, Getting In
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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.
The author has 25 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 College, ME: MS, Rensselaer Polytechnic Institute, NY
(IA) (remote control or ‘clicker’) key styles. Two of the key fobs use a sliding release on the back side to release the key. Two new key fobs use a push button to release the mechanical key, and one is much easier than the other to use. Another holds the key inside the fob itself and is really difficult to remove.
To release the mechanical key blade in your IA key fob, slide the release on the back of the transmitter and pull the blade out. You can now use the mechanical key to unlock the driver’s door.
(pull is straight up and off) to access the key blade. Its awkward and may need a little practice. That mechanical key can now be used to unlock the driver’s door.
This fourth and unusual Intelligent Access key fob is found with only a handful of Ford models. The mechanical key blade is found on the back of the fob. To remove it, push the buttons on either side of the key fob.
to use. It has a push button on the front of the mechanical key itself near the key ring space. Simply push the button and pull the mechanical key away from the IA key.
However, the 2017 Continental and then the 2020 Aviator and the 2024 Nautilus bring a very new wrinkle into the mix. The key hole is hidden by a spring-loaded cover and is in a very different location. The key hole has been placed in the chrome molding beneath the driver’s door mirror and behind the imprinted words ‘Continental’, ‘Aviator’ or ‘Nautilus’. Simply insert the key and turn to unlock the car. The door will spring open. We still in 2024 have no word on how well the key hole cover will behave in icy weather.
In addition, the Navigator, updated in 2018, hides the keyhole in plain sight. The door handle is a single piece. The key hole is exposed by simply pulling the driver’s door handle away from the body of the car. It is seen angled outward at the back end of the handle. Insert the mechanical key and turn clockwise. Remove the key and release the handle. The door will open on the next pull. Note that the alarm will sound in a minute or so if the car is not started in time.
Finally, the new Nautilus model hides the key hole under a cap at the back of the driver’s door handle, which must be removed. To do this, insert the key blade into the slot on the bottom of the handle (right image, bottom arrow) and press up. While holding that upward pressure, move the cap rearward to release it. Gently remove the key while doing so. Yes, the effect is that of prying off a piece of your car but its OK and necessary!
saw a brand new model in a parking lot. They are coming from somewhere – Suzuki still sells cars worldwide – and it turned out to be a push button start model. Keyless start versions exist in models sold in North America in the past, so the brand deserves coverage.
There are at least two key fob styles. The fob for older models looks like the one shown above to the right. Turning it over, slide the button found on the back down relative to the image to the right and pull the mechanical key away.
They also have a button on the back. Slide it to the side and pull the mechanical key away.
Early keyless start Suzuki models still use an ignition switch that needs to be turned to operate. A slot for the mechanical key is hidden by the cap shown.
Newer, push button start models work like other models from Japanese manufacturers. Push the start stop button with the key fob while stepping on the brake. The car will recognize the fob, even though the fob’s internal battery is dead and start.