Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    Tire Designations
    Tire Size The example shows a typical passenger vehicle tire size. Passenger (P-Metric) Tire (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter ...

    Seat Adjustment
    Power Seats ...

    General Information
    For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...