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 days, ...

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 on page 9‑64. Added electrical equipment ...

Engine Cover
A. Oil Fill Cap B. Engine Cover To remove: 1. Remove the oil fill cap (A). 2. Raise the engine cover (B) to release it from the retainers. 3. Lift and remove the engine cover. 4. Reverse Steps ...