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:
Cruise Control Light
This light is white whenever the
cruise control is set and turns green
when the cruise control is active.
The light goes out when the cruise
control is turned off. See Cruise
Control for mo ...
Lumbar Adjustment
Lumbar Adjustment
To adjust the lumbar support,
if available:
• Press and hold the front or rear
of the control to increase or
decrease lumbar support.
• Press and hold the top or botto ...
Instrument Cluster
English Cluster Shown, Metric Similar ...