Hands-Free Calling
1. Push 
. System responds:
“OnStar ready.” 2. Say “Dial.” System responds:
“Please say the name or number to call.” 3. Say the entire number without pausing, including a “1” and the area code. System responds:
“OK calling.”
See also:
Rear Climate Control System (Rear Climate Control Only)
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
For vehicles with the rear climate control system, the controls are located on the rear of the center console. The system can al ...
Range Selection Mode
Range Selection Mode
The Range Selection Mode switch, if equipped, is located on the shift lever.
To enable the Range Selection feature:
1. Move the column shift lever to the M(Manual) position ...
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 Calling ar ...