Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Tire Pressure Monitor
This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS warning light alerts you to a significant loss in pressure of one of the vehicle's tires. If the warning light comes on, stop a ...
Door Ajar Messages
DRIVER DOOR OPEN
This message displays and a chime may sound if the driver door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstr ...
Lumbar Adjustment
Manual Lumbar
If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward.
See Lumbar Adjustment on page 3‑4 for more information.
Power Lumbar
To ...