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:
Power Seat Adjustment
To adjust the power driver seat, if equipped:
Move the seat forward or rearward by sliding the control forward or rearward.
Raise or lower the front part of the seat cushion by moving the fron ...
StabiliTrak® OFF Light
This light comes on when the StabiliTraK system is turned off.
If the Traction Control System (TCS) is off, wheel spin is not limited.
If StabiliTrak is off, the system does not assist in controll ...
General Information
Vehicles with a Universal Handsfree
Phone (UHP) system can use a
Bluetooth® capable mobile phone
with a Hands-Free Profile to make
and receive phone calls. The
infotainment system and voice ...