OnStar Services

See also:

V-6 Power
The CTS coupe's standard 3.6-liter V-6 moves this two-door smartly enough, but it doesn't necessarily feel like there's a 304-horsepower engine under the hood. With a curb weight of around 4,000 p ...

Lamps On Reminder
This light comes on whenever the parking lamps are on. See Exterior Lamp Controls   for more information. ...

Cooling System
The cooling system allows the engine to maintain the correct working temperature. When it is safe to lift the hood: A. Electric Engine Cooling Fan(s) (Out of View) B. Coolant Surge Tank and ...