See also:

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 interfer ...

Air Quality Sensor
This will allow you to select whether the system will operate at high or low sensitivity. Only vehicles with the dual zone climate control will have this option. Press SELECT when Air Quality ...

Dolly Towing from the Front (All-Wheel Drive)
Dolly Towing from the Front (All-Wheel Drive) Vehicles with all-wheel drive cannot be dolly towed. ...