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:
Vehicle Reminder Messages
ICE POSSIBLE DRIVE WITH CARE
This message displays when the outside air temperature is cold enough to create icy road conditions. Adjust your driving accordingly. ...
Reverse Gear Wipes
If the rear wiper control is off, the rear wiper will automatically operate continuously
when the shift lever is in R (Reverse), and the front windshield wiper is performing
low or high speed wipe ...
Exit Lighting
The interior lamps come on when the key is removed from the ignition.
They turn off automatically in 20 seconds. The lights do not come on if the dome override button is pressed in. ...