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:

    Compass Calibration
    Press and hold the on/off button to activate the compass calibration mode. CAL will be displayed in the compass window on the mirror. The compass can be calibrated by driving the vehicle in circ ...

    Making a Call
    Calls can be made using the following commands: • Dial • Digit Dial • Call • Re-dial ...

    Collision/Detection Systems
    Select the Collision/Detection Systems menu and the following will be displayed: • Side Blind Zone Alert System ...