When to Check

Check your tires once a month or more.

Also, check the tire pressure of the spare tire.

    See also:

    Electric Parking Brake Light
    The Electric Parking Brake (EPB) light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. The parking brake status light comes on w ...

    Your Responsibility
    You may need to increase the volume of your radio to hear the OnStar® advisor. If the light next to the OnStar® buttons is red, this means that your system is not functioning properly and should ...

    Additional Maintenance and Care
    Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required ...