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:
Dual Automatic Climate Control System
The heating, cooling, and ventilation in the vehicle can be controlled with this
system. The vehicle also has a flow-through ventilation system described later in
this section.
Climate Control ...
Three-Way Calling
Three-Way Calling must be
supported on the cell phone and
enabled by the wireless service
carrier to work.
1. While on a call press .
2. Say “Three-way call.”
3. Use the dial or call command ...
How to Check Power Steering Fluid
Notice: Extremely small amounts of contamination can cause steering system damage
and cause it to not work properly. Do not allow contaminants to contact the fluid
side of the reservoir cap/ dipst ...