OnStar Services

See also:

Security Light
The immobilizer light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light tu ...

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 ...

Engine Coolant Heater
The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine coolant he ...