See also:

If Steam Is Coming from the Engine Compartment
WARNING Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine if you see or hear steam coming from it. Just turn it off and get everyone awa ...

High-Beam On Light
This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer for more information. ...

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 ...