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:
PhatNoise a segment first
Also available is the first-in-segment Mobile Digital Media Powered by
PhatNoise system. PhatNoise is a wallet-sized, 40-gigabyte hard drive that
installs in the Terraza's overhead rail system. Th ...
Following Distance
Stay at least twice as far behind the vehicle ahead as you would
when driving the vehicle without a trailer. This can help to avoid situations that
require heavy braking and sudden turns. ...
Using the Re-dial Command
1. Press and hold for two
seconds. The system
responds with “Ready” followed by a tone.
2. After the tone, say “Re-dial”. The system responds
with “Re-dial using <phone name> ...