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:

    Reclining Seatbacks
    To adjust the seatback: Tilt the top of the control rearward to recline. Tilt the top of the control forward to raise. See Reclining Seatbacks  . ...

    Automatic Dimming Mirror
    The vehicle has an automatic dimming mirror. The driver outside mirror automatically adjusts for the glare of headlamps behind you. This feature is controlled by the on and off setting on the inside ...

    Air quality sensor
    Press once to activate air recirculation. Press again to activate automatic air recirculation. In automatic mode, air recirculation is regulated to achieve optimum air conditioning performance. ...