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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    Overinflated tires
    WARNING   Follow recommended tire inflation pressures. Do not overinflate tires. Overinflated tires can adversely affect handling and ride comfort, wear unevenly, increase stopping dista ...

    Uniform tire quality grading
    Quality grades can be found where applicable on the tire sidewall between the tread shoulder and maximum section width. For example: Treadwear 200 Traction AA Temperature A. In addition to the mar ...

    Tire Sealant and Compressor Kit
    WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhaust may enter the vehicle. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled ...