Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Lamp Messages
SERVICE LEFT HEADLAMP ASSEMBLY
On some models, this message will be displayed when the left headlamp is out
and needs to be serviced. See “LED Lighting” in LED Lighting for more
infor ...
Ultrasonic Parking Assist
If available, Ultrasonic Rear Parking
Assist (URPA) system uses sensors
on the rear bumper to assist with
parking and avoiding objects while
in R (Reverse). It operates at
speeds less than 8 ...
Power Mirrors
Premium Trim Shown, Up-Level Similar ...