OnStar

See also:

Passing Another Vehicle While Using Cruise Control
Use the accelerator pedal to increase the vehicle's speed. When you take your foot off the pedal, the vehicle will slow down to the previous set cruise speed. ...

When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC: PARKING ASSIST OFF: This message occurs if the driver disables the system or if vehicle is driven above 8 km/h (5 mph) in R (Reverse). S ...

Manual Operation
(Fan Control): Press these buttons on the rear seat audio control panel to increase or decrease the airflow. Pressing the fan up button when the system is off will turn the system on. The air del ...