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:
Playing from a USB (Radio with CD and Touchscreen)
A USB mass storage device or
Microsoft Transfer Protocal (MTP)
device can be connected to the
USB port.
The USB port is in the center
console.
The USB icon displays when the
USB device is ...
2008 Buick Lucerne Review
The Buick Lucerne full-size sedan's biggest change for the 2008 model year is
the addition of a Super trim level, which turns the Lucerne story upside down.
When it made its debut in 2006, the Luc ...
Different Size Tires and Wheels
If you add wheels or tires that are a different size
than your original equipment wheels and tires,
this may affect the way your vehicle performs,
including its braking, ride and handling
characte ...