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:

    Immobilizer
    See Radio Frequency Statement  for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-GEN/210/220/310. ...

    Rear Seat Entertainment (RSE) System (Overhead)
    The vehicle may have an Overhead DVD Rear Seat Entertainment (RSE) system. The RSE system works with the vehicle's audio system. The DVD player is part of the front radio. The RSE system include ...

    Removing the spare wheel
    WARNING Remove the spare wheel prior to jacking the vehicle, to avoid destabilizing the vehicle when raised. The spare wheel is heavy and if handled incorrectly may cause injury. Use extreme ...