See also:

That Thing Got a Supercharger?
Yes, the CTS-V does indeed have a supercharged V-8, but you'd be hard-pressed to know it by listening to the engine. Step on the gas and the most noticeable sound is the burbling exhaust, which qu ...

Object Detection System Messages
PARK ASSIST OFF This message displays when the park assist system has been turned off or when there is a temporary condition causing the system to be disabled. See Ultrasonic Parking Assist. S ...

Fuel
Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline ...