OnStar Services

See also:

Cruise Control
With cruise control, you can maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control does not work at speeds below about 40 km/h (25 mph). ...

Park Tilt Mirrors
If the vehicle has memory mirrors, the outside mirrors have park tilt mirrors. This feature tilts the driver’s side and passenger side mirror to a factory programmed position when the vehicle ...

Satellite Radio Antenna
For vehicles with XM satellite radio service, the antenna is located on the roof of the vehicle. Keep the antenna clear of obstructions for clear radio reception. ...