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 ...

Headlamp Delay
Press the customization button until HEADLAMP DELAY: 10 SEC appears in the display. To select your preference for how long the headlamps will stay on when you turn off the vehicle, press the selec ...

Entry Lighting
The vehicle has entry lighting. When any door is opened, the dome lamps come on as long as the dome override lamp override button is not pressed in. When all the doors are closed, the lamps stay ...