Infiniti QX: Freeing a frozen door lock - Cold weather driving - Starting and driving - Infiniti QX Owner's ManualInfiniti QX: 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.

    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 coo ...

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    Avoiding collision and rollover
    WARNING Failure to operate this vehicle in a safe and prudent manner may result in loss of control or an accident. Be alert and drive defensively at all times. Obey all traffic regulations. ...

    Instrument brightness control
    The instrument brightness control switch can be operated when the ignition switch is in the ON position. When the switch is operated, the dot matrix liquid crystal display switches to the ...

    Engine Coolant
    The cooling system in the vehicle is filled with DEX-COOL engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first. The follo ...