Air Vents
Use the louvers located on the air vents to change the direction of the airflow.
To open a vent, move the thumbwheel to | . To close the vent, move the thumbwheel to 
.
Operation Tips
► Keep all outlets open whenever possible for best system performance. ► Keep the paths under all seats clear of objects to help circulate the air inside the vehicle more effectively. ► Use of non-GM approved hood deflectors can adversely affect the performance of the systemSee also:
Display Settings
Press the Config button on the Home Page or the CONFIG button on the faceplate,
then select Display Settings from the list.
The following options may display: Dimming Mode: Press to change the scre ...
Global Positioning
System (GPS)
• Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels,
underpasses, or parking
garages; or in an area with very
dense tr ...
Navigation/Radio System
For vehicles with a navigation radio system, see the
separate Navigation System manual. ...