See also:

Engine Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coolant hea ...

Driving Uphill
Once you decide you can safely drive up the hill, you need to take some special steps. • Use a low gear and get a firm grip on the steering wheel. • Get a smooth start up the hill and try to ...

Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Press and request a vehicle ...