Navigation
OnStar navigation requires the Directions and Connections service plan.
Push 
to receive directions or
have them sent to the vehicle
navigation screen. Destinations can
also be forwarded to the vehicle
from Google Maps™ or
MapQuest.com. The OnStar
mapping database is continuously
updated. Visit www.onstar.com for
coverage maps.
See also:
Following Distance
Stay at least twice as far behind the vehicle ahead
as you would when driving your vehicle without
a trailer. This can help you avoid situations
that require heavy braking and sudden turns. ...
Dual Tone Multi-Frequency (DTMF) Tones
The in-vehicle Bluetooth system can send numbers and the numbers stored as name tags during a call.
Use this feature when calling a menu-driven phone system.
Account numbers can also be stored for u ...
Three-Way Calling
Three-way calling must be
supported on the cell phone and
enabled by the wireless service
carrier.
1. While on a call, press .
2. Say “Three-way call.”.
3. Use the dial or call command to ...