See also:

Cleaning the Video Screen
Use only a clean cloth dampened with clean water. Use care when touching or cleaning the screen as damage could result. ...

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 ...

Cornering Lamps
For vehicles with this feature, the cornering lamps come on when: the headlamps or parking lamps are on, the vehicle is not in P (Park), and you signal a turn with the turn signal/multifunction ...