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:

    Before changing a fuse
    ► Park the vehicle and apply the parking brake. ► Switch off all electrical consumers. ► Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: ...

    Diesel
    Fuel grade Only refuel with ULTRA-LOW SULFUR DIESEL FUEL (ULSD, 15 ppm SULFUR MAXIMUM). Using other diesel fuels could result in increased wear and damage to the engine and/or exhaust system. ...

    Exterior rear
    1. Fuel-filler door (P.3-23) — Fuel recommendation (P.9-4) 2. Antenna (P.4-80) 3. Rear combination light (bulb replacement) (P.8-27) 4. Rear window defroster (P.2-36) 5. Satellite ante ...