See also:

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 v ...

Lumbar Adjustment
Manual Lumbar If available, move the handle forward or rearward to increase or decrease lumbar support. Power Lumbar If available, press and hold the front or rear of control to increase or dec ...

Manual Reclining Seatbacks
WARNING You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you ...