OnStar Services

See also:

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 ...

Satellite Radio
Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio subscription can receive XM programming. XM Satellite Radio Service XM is a satellite radio service based in the 48 contig ...

Torque Lock
Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the transmission. This happens when parking on a hill and shifting the transmission into P (Park) is not d ...