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.
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
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.
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
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
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.
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.
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.
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
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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
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