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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    Tire Chains
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    Engine
    Display messages (USA only) (Canada only) The yellow Check Engine warning lamp lights up while the ignition is switched on with the engine running. Possible causes/consequences and ► ...

    Engine Air Cleaner/Filter
    When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mile) interva ...