OnStar Services

See also:

Interior Lighting
Reading Lamps The reading lamps are located on the overhead console. These lamps come on automatically when any door is opened. For manual operation, press the button next to each lamp to tu ...

Engine Coolant Temperature Gauge
This gauge shows the engine coolant temperature. If the indicator on the gauge moves towards the shaded area on the thermostat, it means that the engine coolant has overheated. If the vehicle has ...

Removing the Flat Tire and Installing the Spare Tire
Take off the wheel cover or center cap, if the vehicle has one, to reach the wheel bolts. 1. Do a safety check before proceeding. See If a Tire Goes Flat for more information. 2. Turn the wheel ...