Lumbar Adjustment
Power Lumbar

If available, press and hold the front or rear of the control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar support.
See also:
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 ...
Collision Parts
Genuine GM Collision parts are new
parts made with the same materials
and construction methods as the
parts with which the vehicle was
originally built. Genuine GM
Collision parts are the be ...
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARKING ASSIST:
If this message occurs, take the vehicle to your dealer to repair the system.
PARK ASSIST OFF: If the UFRPA system ...






