Infiniti QX: Freeing a frozen door lock - Cold weather driving - Starting and driving - Infiniti QX Owner's ManualInfiniti QX: 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.

    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 coo ...

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    Problems with the engine
    ...

    Brake temperature
    In extreme circumstances, the HDC system may cause brake temperatures to exceed their pre-set limits. If this occurs the warning HDC TEMPORARILY UNAVAILABLE will be displayed in the message center ...

    Deselecting valet mode
    When you enter the vehicle, touch the Valet button to view the Valet mode screen. Enter your 4 digit PIN and touch the OK button. Valet mode deactivated is displayed to indicate that your PIN has ...