OnStar Services

See also:

Engine Coolant Temperature Gauge
Metric English This gauge shows the engine coolant temperature. It also provides an indicator of how hard the vehicle is working. During a majority of the operation, the gauge reads 100°C (210 ...

Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions syste ...

Exterior Lighting
The exterior lamp control is located on the turn signal/lane change lever. : Turn to operate the exterior lamps. : Turns the exterior lamps off. AUTO: Turns the exterior lamps on and off automat ...