See also:

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Cruise Control
The cruise control buttons are located on the left side of the steering wheel. : On/Off. + RES: Press to accelerate or resume speed. SET–: Press to set or decrease the speed. (Cancel): P ...

Phone Settings
See Bluetooth (Overview) or Bluetooth (Infotainment Controls) or Bluetooth (Voice Recognition) or Bluetooth (UHP Mexico Only) in the “Phone” section for more information on phone settings. ...