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:

    Dual head restraint DVD system (if so equipped)
    If your vehicle is equipped with the Dual Head Restraint DVD System, you can enjoy playing video files via a DVD, CD or USB memory that provides images and sound both from the front and rear d ...

    Brake System Messages
    SERVICE BRAKE SYSTEM This message displays along with the brake system warning light if there is a problem with the brake system. See Brake System Warning Light  . If this message appears, sto ...

    System operation
    The automatic drive positioner system will not work or will stop operating under the following conditions: ► When the vehicle speed is above 4 MPH (7 km/h). ► When the adjusting s ...