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 ...

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    Cleaning the sensors
    ► Clean sensors 1 of the driving systems with water, car shampoo and a soft cloth. When cleaning the sensors with a power washer, maintain a distance between the vehicle and the nozzle ...

    Third Row Seats
    On vehicles with third row seats, the seatbacks can be folded, and the entire seat can be tumbled or removed from the vehicle. For detailed instructions, see Third Row Seats  . ...

    Seat belts with pretensioners (front seats)
    WARNING ► The pretensioners cannot be reused after activation. They must be replaced together with the retractor and buckle as a unit. ► If the vehicle becomes involved in a c ...