See also:

Steering Wheel Adjustment
To adjust the steering wheel: 1. Pull the lever down. 2. Move the steering wheel up or down. 3. Pull or push the steering wheel closer or away from you. 4. Pull the lever up to lock the st ...

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 ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...