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:

    Seat belts
    Display messages After starting the engine, the red seat belt warning lamp lights up for six seconds. Possible causes/consequences and ► Solutions The seat belt warning lamp reminds the ...

    Opening and closing windows with the mechanical key
    The driver’s door key operation also allows you to open and close all door windows. To open the windows, turn the driver’s door key cylinder to the rear of the vehicle for longer than 1 se ...

    Language — English/Metric
    To change the language of the navigation screens or to change the navigation screens from English or metric, see Driver Information Center (DIC)   for more information. ...