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 ...

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    Engine Oil Change
    When the CHANGE ENGINE OIL SOON message displays, have the engine oil and filter changed within the next 1 000 km/600 mi. If driven under the best conditions, the engine oil life system might not in ...

    Manual Operation of Power Liftgate
    To change the liftgate to manual operation, press OFF on the liftgate switch. With the power liftgate disabled and all of the doors unlocked, the liftgate can be manually opened and closed. To open ...

    Point of Interest (POI)
    The Point of Interest (POI) destination entry method lets you select a destination from the POI list. Point of Interest: Press to access the POI (Point of Interest) screen. From this screen you ...