See also:

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked ...

INFINITI Vehicle Immobilizer System keys
You can only drive your vehicle using the master or valet keys which are registered to the INFINITI Vehicle Immobilizer System components in your vehicle. These keys have a transponder chip in the key ...

Opening and closing windows with the mechanical key
The driver’s door key operation also allows you to open and close all door windows. To open the windows, turn the driver’s door key cylinder to the rear of the vehicle for longer than 1 second ...