When to Check

Check your tires once a month or more.

Also, check the tire pressure of the spare tire.

    See also:

    Remote Start Cooled Seats
    If equipped and turned on, this feature will turn the cooled seats on when using remote start on warm days. Press SELECT when Remote Start Cooled Seats is highlighted. Turn the Menu knob to ...

    Unlocked Door Anti Lock Out
    When on, this feature will keep the driver door from locking when the door is open. If off is selected, the Unlocked Door Anti Lock Out menu will be available and the door will lock as progr ...

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...