OnStar Services

See also:

Power Windows
WARNING Leaving children in a vehicle with the keys is dangerous for many reasons. Children or others could be badly injured or even killed. They could operate the power windows or other controls or ...

Checking the Fluid Level
Prepare the vehicle as follows: 1. Park the vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in P (Park). 3. With your foot on the brake p ...

Service Vehicle Messages
SERVICE AC SYSTEM This message is displayed if there is a problem with the air conditioning system. Take the vehicle to your dealer for service. SERVICE POWER STEERING This message is displayed i ...