See also:

EPB Release
To release the EPB, place the ignition in the ON/RUN position, apply and hold the brake pedal, and push down momentarily on the EPB switch. If you attempt to release the EPB without the brake pedal ...

Voice Pass-Thru
Voice Pass-Thru allows access to the voice recognition commands on the cell phone. See the cell phone manufacturer's user guide to see if the cell phone supports this feature. This feature ca ...

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 ...