OnStar Services

See also:

Average Fuel Economy/Instantaneous Fuel Economy
On some models, this display shows Average Fuel Economy. On other models, this display shows both Average Fuel Economy and Instantaneous Fuel Economy. The Average Fuel Economy display shows ...

Antilock Brake System (ABS) Warning Light
For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started. If it does not, have the vehicle serviced by your dealer/retailer. If the system ...

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 wh ...