Ford Fusion: Remote Control / Using the Key Blade
The key cylinder is under a cap on the driver
door handle.
To remove the cap:

- Insert the key blade into the slot on the
bottom of the handle and apply
upward pressure.
- While maintaining upward pressure,
move the cap rearward to release it.
Gently remove the key while doing so.
To install the cap:

- Place the cap just forward of the key
cylinder.
- Applying pressure to the cap, move it
forward until it is in place. You may
hear a snap as it engages.
Make sure you have properly installed the
cap by trying to move it rearward.
Note: You may not be able to shift out of
park (P) unless the intelligent access key is
inside your vehicle.
Your remote control operates the power
locks and the remote start system...
Note: Refer to local regulations when
disposing of your remote control batteries.
Note: Do not wipe off any grease on the
battery terminals or on the back surface of
the circuit board...
Other information:
Removal
NOTE:
Left hand (LH) side shown, right hand (RH) side similar.
Remove the door trim panel and water shield.
Refer to: Rear Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
Remove the rear door...
California Civil Code Section 1793.2(d)
requires that, if a manufacturer or its
representative is unable to repair a motor
vehicle to conform to the vehicle’s
applicable express warranty after a
reasonable number of attempts, the
manufacturer shall be required to either
replace the vehicle with one substantially
identical or repurchase the vehicle and
reimburse the buyer in an amount eq..