OnStar

See also:

How the System Works
When the vehicle is started, both outside mirror displays will briefly come on to indicate that the system is operating. While driving forward, the left or right side mirror SBZA display w ...

Driving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road, creating less traction or grip. Wet ice can occur at about 0°C (32°F) when freezing rain begins to fall, resulting in even ...

Steering Wheel Adjustment
Push the control up or down to tilt the steering wheel up or down. To set the memory position, see Vehicle Personalization  . ...