Ending a Call
Press 
to end a call.
See also:
Side Bolster
To adjust the side bolster support,
if equipped:
- Press the top or bottom of the
control (A) to increase or
decrease support in the seat
cushion bolsters.
- Press the top or bottom of the
...
Traction Control System (TCS)/StabiliTrak® Light
The StabiliTrak or Traction Control System (TCS) indicator/warning light
comes on briefly when the engine is started.
If the light does not come on, have the vehicle serviced by your dealer.
...
OnStar Mobile App
With an iPhone® or
Android™-based mobile device,
an OnStar mobile app can be
downloaded. The vehicle can be
remote started, if equipped, or the
doors can be unlocked from
anywhere there is ...