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:
Global Positioning System (GPS)
The navigation system determines the position of the vehicle by using satellite
signals, various vehicle signals, and map data.
At times, other interferences such as the satellite condition, road c ...
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push to try the
call again or try again after driving a
few miles into ...
Shifting Into Park
WARNING!
It can be dangerous to get out of
the vehicle if the shift lever is not
fully in P (Park) with the parking
brake firmly set. The vehicle can
roll. If you have left the engine
runni ...