When to Check

Check your tires once a month or more.

Also, check the tire pressure of the spare tire.

    See also:

    Ending a Call
    Press to end a call. ...

    Roadside Assistance and OnStar
    If you have an active OnStar subscription, press the Q button and the current GPS location will be sent to an OnStar Advisor who will assess your problem, contact Roadside Assistance, and relay y ...

    Engine Air Cleaner/Filter
    See Engine Compartment Overview  for the location of the engine air cleaner/filter. ...