See also:

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Engine Heater
The engine 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 heater at least ...

Safety Belts: They Are for Everyone
This section of the manual describes how to use safety belts properly. It also describes some things not to do with safety belts. WARNING: Do not let anyone ride where a safety belt cannot be ...