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:

    Passenger Compartment Air Filter
    The filter removes dust, pollen, and other airborne irritants from outside air and inside air when in recirculation mode. To find out what type of replacement filter to use, see Maintenance Replace ...

    Automatic drive positioner
    SET/memory switches The automatic drive positioner system has three features: ► Entry/exit function► Memory storage► Setting memory function ...

    Maintenance Replacement Parts
    Replacement parts identified below by name, part number, or specification can be obtained from your dealer ...