OnStar Services

See also:

Off-Road Recovery
The vehicle's right wheels can drop off the edge of a road onto the shoulder while driving. Follow these tips: 1. Ease off the accelerator and then, if there is nothing in the way, steer t ...

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 ...

Front Seats
The vehicle's front seats have adjustable head restraints in the outboard seating positions. The height of the head restraint can be adjusted. To raise or lower the head restraint, press the ...