OnStar Services

See also:

Windshield
For safety, appearance, and the best viewing, keep the windshield clean and clear. - Signs of damage include scratches, cracks, and chips. - Trained dealer technicians can inspect the windsh ...

Adding Coolant to the Intercooler System Coolant (CTS-V)
1. Remove the intercooler system pressure cap when the intercooler system hoses are no longer hot. Turn the pressure cap slowly counterclockwise about one-quarter of a turn. If you hear a ...

Fog Lamps
Use the fog lamps for better vision in foggy or misty conditions. The fog lamp control is located on the turn signal/multifunction lever. (Fog Lamps): Turn the fog lamp band on the lever u ...