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. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Power Assist Steps
The vehicle may have power assist steps. To enable or disable the power assist
steps push .
The power assist steps automatically extend from beneath the vehicle on the side
in which the door ha ...
Engine Overheating
The vehicle has several indicators to warn of engine overheating.
There is a coolant temperature gauge on your vehicle's instrument panel. See
Engine Coolant Temperature Gauge .
In addit ...
Power Lumbar
A. Side Bolster Control
B. Lumbar Support Control
C. Seatback Bolster Control
To adjust the lumbar support,
if equipped:
- Press and hold the top of the
control (B) to increase support to
...






