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:
Tire Designations
Tire Size
The following is an example of a typical passenger vehicle tire size.
(A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system.
The letter P as the first ...
Audio Settings
The audio settings can be set for
each radio band and each audio
player source.
To quickly reset an audio setting
value to 0:
1. Press the TONE button.
2. Select the audio setting.
3. Press ...
Overview (Radio with CD/DVD and MEM)
A. VOL/
• Turns the system on or off
and adjusts the volume.
B. FAV
• Radio: Opens the
favorites list.
• MEM: Opens the
favorites list.
C. Buttons 1 to 6
• Radio: Saves and sele ...