See also:

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 ...

Horn
Press near the horn symbols or press on the steering wheel pad to sound the horn. ...

Stoplamp,Taillamp, and Turn Signal Lamp
Driver Side Shown, Passenger Side Similar A. Taillamp B. Turn Signal Lamp C. Stoplamp/Taillamp To replace any one of these bulbs: 1. Open the trunk. 2. Remove the push pins securing the trunk ...