See also:

Grade Braking
The Grade Braking shift modes can be activated by pressing the button on the end of the shift control lever. While in Range Selection Mode, Grade Braking is deactivated allowing the driver to sele ...

Reducing Speed While Using Cruise Control
If the cruise control system is already activated: - Press and hold the −SET button on the steering wheel until the desired speed is reached, then release it. - To slow down in small a ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the veh ...