Side Bolster
To adjust the side bolster support, if equipped:
- Press the top or bottom of the control (A) to increase or decrease support in the seat cushion bolsters.
- Press the top or bottom of the control (C) to increase or decrease support in the seatback bolsters.
See Lumbar Adjustment.
See also:
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Vehicle Reminder Messages
ICE POSSIBLE DRIVE WITH CARE
This message is displayed when ice conditions are possible.
TURN WIPER CONTROL TO INTERMITTENT FIRST
This message is displayed when attempting to adjust the inter ...
Radio Menu
Press CONFIG to enter the configure menu screen, then press CONFIG repeatedly
until Radio is selected or press the Radio screen button to make changes for radio
information displayed or to limit ...