See also:

Lumbar Adjustment
To adjust the lumbar support: ► Press and hold the front or rear of the control to increase or decrease lumbar support. ► Press and hold the top or bottom of the control to raise or lo ...

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...

Window Lockout
(Window Lockout): The rear window lockout button is located on the driver’s door armrest near the window switches. Press the right side of this button to disable the rear window controls. ...