Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this.
See also:
Front Fog Lamp Light
The front fog lamp light comes on when the fog lamps are in use. The light goes
out when the fog lamps are turned off. See Fog Lamps on page 6‑4 for more information. ...
Sun Visors
Pull the sun visor down or unhook it and move it to the side to reduce glare.
Visor Vanity Mirror
Lift the cover to use the mirror and turn the lamps on. ...
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, ...