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:
Tire Inspection
We recommend that the tires,
including the spare tire, if the
vehicle has one, be inspected
for signs of wear or damage at
least once a month.
Replace the tire if:
• The indicators at thre ...
Replacing Brake System Parts
The braking system on a vehicle is
complex. Its many parts have to be
of top quality and work well together
if the vehicle is to have really good
braking. The vehicle was designed
and tested ...
Door Locks
To lock or unlock the doors:
• From inside the vehicle, use the
door lock knob or the power
door lock controls, pull once on
the door handle to unlock it, and
a second time to open it.
• ...