Infiniti QX: Antifreeze - Cold weather driving - Starting and driving - Infiniti QX Owner's ManualInfiniti QX: Antifreeze

In the winter when it is anticipated that the outside temperature will drop below 328F (08C), check antifreeze to assure proper winter protection. For additional information, see “Engine cooling system” in the “8. Maintenance and do-it-yourself” section.

    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. ...

    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 ...

    See also:

    Braking
    If ABS intervenes when braking, you will feel a pulsing in the brake pedal. ► If ABS intervenes: continue to depress the brake pedal with force until the braking situation is over. ► ...

    Types of tires
    WARNING ► When changing or replacing tires, be sure all four tires are of the same type (Example: Summer, All Season or Snow) and construction. An INFINITI retailer may be able to hel ...

    Automatic door locks
    ► All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). ► All doors unlock automatically when the ignition switch is placed in the OFF position. The aut ...