See also:

Intelligent Key system
The Intelligent Key system can operate the ignition switch without it being taken out from your pocket or purse. The operating environment and/or conditions may affect the Intelligent Key system opera ...

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 INFINITI Intelligent Key. ...

Emergency engine shut off
To shut off the engine in an emergency situation while driving, perform the following procedure: – Rapidly push the push-button ignition switch 3 consecutive times in less than 1.5 seconds, or – ...