OnStar Services

See also:

Electric Power Management
This vehicle has Electric Power Management (EPM), an advanced control system. It estimates the battery’s temperature and state of charge and then adjusts the voltage for best performance and ext ...

Call Waiting
Call waiting must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. Accepting a Call Turn the TUNE/MENU knob to “Answer” and press TUNE/MENU to accept th ...

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 ...