Freeing a frozen door lock

To prevent a door lock from freezing, apply deicer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the Intelligent Key system.
See also:
How to arm the vehicle securitysystem
1. Close all windows and the moonroof. The system can be armed even if the windows and moonroof are open.
2. Remove the Intelligent Key from the vehicle.
3. Close all doors, hood and liftgate. Lock ...
The body
The M's design is signature Infiniti, its subtle curves and complex surfacing
endowing it with an emotional draw that goes beyond the colder, more austere
class norm. Its deeply sculpted door surf ...
Exterior front
1. Front camera (if so equipped) (P. 4-36)
2. Engine hood (P. 3-22)
3. Windshield wiper and washer switch, wiper blades (P. 2-26, 8-18)
4. Windshield-washer fluid (P. 8-18)
5. Power wind ...
