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:

    Battery Power Protection
    The battery saver feature is designed to protect the vehicle's battery. If some interior lamps are left on and the ignition is turned off, the battery rundown protection system automatically tu ...

    Single CD (MP3) Player
    To set the time and date: 1. Turn the ignition key to ACC/ACCESSORY or ON/RUN. Press to turn the radio on. 2. Press and the HR, MIN, MM, DD, YYYY (hour, minute, month, day, and year) displ ...

    Safety Chains
    Always attach chains between the vehicle and the trailer. Cross the safety chains under the tongue of the trailer to help prevent the tongue from contacting the road if it becomes separated from t ...