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:
Power Windows
The power window switches located on the driver door control all four windows. The passenger doors have a window switch that controls that window. Push the switch down to open the window. Pull the f ...
Using the Delete All Name Tags Command
The delete all name tags command deletes all stored phone book name tags and route name tags for OnStar, if stored.
To delete all name tags:
1. Press
.
► For vehicles without a navigation sy ...
Rear Axle
When to Check Lubricant
It is not necessary to regularly check rear axle
fluid unless you suspect there is a leak or you hear
an unusual noise. A fluid loss could indicate a
problem. Have it inspe ...