OnStar Services

See also:

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 ...

Park Brake and P (Park) Mechanism Check
WARNING! When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case ...

Dome Lamp Override
The dome lamp override button is located next to the exterior lamps control. : Press the button in and the dome lamps remain off when a door is opened. Press the button again to return it to the ...