Chevrolet avalanche 2002 用户手册

Your vehicle is equipped with a passenger compartment
air filter which filters outside air entering the vehicle.
For information on replacing the filter see “Passenger
Compartment Air Filter” in the Index.

The heater works best if you keep your windows closed
while using it. On cold days, use the Floor or Bi

-

Level

setting with the temperature knob in the red area.

On cold days, approximately 32

_F (

-

0

_C) or lower, you

may experience differences in how the transmission shifts
until the engine is warm. This feature automatically
reduces the time it takes for the engine to reach normal
operating temperature and shortens the time it takes the
heater to reach full output.

If you use the engine coolant heater before starting your
engine in cold weather, 20

_F (

-

8

_C) or lower, the

heating system will produce warmer air faster to heat 
the passenger compartment.

The use of an engine coolant heater also reduces the
time it takes for the engine to reach normal operating
temperature. For more information, see “Engine Coolant
Heater” in the Index.

On cool, humid days, use defog to keep the windshield
and side windows clear. Use defrost to remove fog or 
ice from the windshield in extremely humid or cold
conditions. Use defrost with the temperature knob
toward the red area and the fan control turned all the
way to the right.

The lines running across the rear window, are the rear
window defogger. The lines warm the glass.

Do not remove the rear window with the rear defogger
on. You may see a discharge spark coming from 
the latch area if you remove the window with the
defogger on.

To turn on the rear 
window defogger, press this
button located below the
mode knob.