2000 CHEVROLET IMPALA window

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3-3
DEFOG: This setting sends half of the air to
the floor ducts and half to the defroster and side window
outlets. The air conditioning compressor will run
automatically in this setting unless the outside
temperature is below 40
F (4
C). Air inlet will also be
automatically set to outside air. The RECIRCULATION
button will not be selectable in this mode.
DEFROST: This setting directs most of the air
through the defroster and side window vents. Some of
the air also goes to the floor ducts. The air conditioning
compressor will run automatically in this setting unless
the outside temperature is below 40
F (4
C). The air
inlet will also be automatically set to outside air. The
RECIRCULATION button will not be selectable in
this mode.
OUTSIDE AIR: Press this button to force the
system to use outside air. This button is usable with all
of the mode settings. An indicator on the button will
light up when this button is selected.
RECIRCULATION: Press this button to limit
the amount of fresh air entering your vehicle. This is
helpful when you are trying to limit odors entering your
vehicle. This button is usable in UPPER, LOWER and
BI
-LEVEL modes. An indicator on the button will light
up when this button is selected. The system will default
back to the outside air setting, so you will have to
reselect this setting every time you restart your vehicle.
A/C:Press this button to turn the air conditioning
on and off. The system will cool and dehumidify the air
inside the vehicle when the A/C light is on.

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3-4 Dual ComforTemp Climate Control
(If Equipped)
With this system, you can control the heating, cooling
and ventilation in your vehicle. The system works best if
you keep your windows closed while using it.Fan Knob
The knob on the left side of the climate control panel
controls the fan speed. To turn the fan off, turn the knob
to OFF.
If the airflow seems very low when the fan is adjusted to
the highest setting regardless of the mode setting, your
passenger compartment air filter may need to be
replaced. See ªMaintenance Scheduleº in the Index.
Driver's Temperature Lever
The lever on the left adjusts the air temperature on the
driver's side independent of the temperature set by the
passenger. Slide the lever upward to raise the temperature.
Slide the lever downward to lower the temperature.
Passenger's Temperature Lever
The lever on the right adjusts the air temperature on the
passenger's side independent of the temperature set by the
driver. Slide the lever upward to raise the temperature.
Slide the lever downward to lower the temperature.

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3-5
Mode Knob
The knob on the right side of the control panel has
several settings to control the direction of airflow:
UPPER: This setting directs air through the
instrument panel outlets.
BI-LEV: This setting directs air two ways.
Half of the air is directed through the instrument panel
outlets. Most of the remaining air is directed through the
floor vents and a little to the windshield defroster and
side window outlets.
LOWER: This setting sends most of the air
through the ducts near the floor. The remaining air
comes out of the defroster and side window outlets.
DEFOG: This setting sends half of the air to
the floor ducts and half to the defroster and side window
outlets. The air conditioning compressor will run
automatically in this setting unless the outside
temperature is below 40
F (4
C). Air inlet will also be
automatically set to outside air. The RECIRCULATION
button will not be selectable in this mode.
DEFROST: This setting directs most of the air
through the defroster and side window vents. Some of
the air also goes to the floor ducts. The air conditioning
compressor will run automatically in this setting unless
the outside temperature is below 40
F (4
C).
The air inlet will also be automatically set to outside air.
The RECIRCULATION button will not be selectable
in this mode.
OUTSIDE AIR: Press this button to force the
system to use outside air. This button is usable in all of
the mode settings. An indicator on the button will light
up when this button is selected.
RECIRCULATION: Press this button to limit
the amount of fresh air entering your vehicle. This is
helpful when you are trying to limit odors entering your
vehicle. This button is usable in UPPER, LOWER and
BI
-LEVEL modes. An indictor on the button will light
up when this button is selected.
A/C: Press this button to turn the air conditioning
on and off. The system will cool and dehumidify the air
inside the vehicle when the A/C light is on.

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3-6 Air Conditioning
On very hot days, open the windows long enough to let
hot, inside air escape. This reduces the time for the
vehicle to cool down. Then keep your windows closed
for the air conditioner to work its best.
For quick cool
-down on very hot days, turn the mode
knob on the control panel to UPPER, push the A/C
button on, push the RECIRCULATION button on and
move the temperature levers all the way in the blue area.
If this setting is used for long periods of time, the air in
your vehicle may become too dry.
For normal cooling on hot days, turn the mode knob on
the control panel to UPPER, push the A/C button on,
push the OUTSIDE AIR button on and move the
temperature levers all the way in the blue area. The
system will bring in outside air and cool it.
On cool, but sunny days, the sun may warm your upper
body, but your lower body may not be warm enough.
You can turn the mode knob on the control panel to
BI
-LEV, push the A/C button on and move the
temperature levers to a comfortable setting.
Heating
On cold days, turn the mode knob on the control panel
to LOWER, push the OUTSIDE AIR button on and
move the temperature levers all the way in the red area.
The system will bring in outside air, heat it and send it to
the floor ducts.
Ventilation
For mild outside temperatures when little heating or
cooling is needed, turn the mode knob on the control
panel to UPPER, push the A/C button off, push the
OUTSIDE AIR button on and move the temperature
levers to a comfortable setting. Your vehicle also has
the flow
-through ventilation system described later in
this section.
Defogging and Defrosting
Your system has two settings for clearing the front and
side windows. To defrost the windows quickly, use
DEFROST with the temperature indicators turned all the
way in the red area. To warm passengers while keeping
the windows clear, use DEFOG.

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3-7 Rear Window Defogger
The rear window
defogger uses a
warming grid to
remove fog from
the rear window.
Press the button
marked REAR to
turn the defogger on.
An indicator on the
button will light.
The rear window defogger will turn itself off after about
15 minutes. If you turn it on again, the defogger will
only run for about 7.5 minutes before turning off. You
can also turn the defogger off by turning the ignition off
or by pressing the button again.
Do not attach anything like a temporary vehicle license
or decal across the defogger grid.
NOTICE:
Don't use a razor blade or something else sharp
on the inside of the rear window. If you do, you
could cut or damage the warming grid, and the
repairs wouldn't be covered by your warranty.
Don't put decals there because you might have to
scrape them off.

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3-8 Ventilation System
Adjust the direction
of airflow by moving
the vents.
Your vehicle's flow
-through ventilation system supplies
outside air into the vehicle when it is moving. Outside
air will also enter the vehicle when the air conditioning
fan is running and the OUTSIDE AIR button is pushed.
If the airflow seems very low when the fan is adjusted to
the highest setting, regardless of the mode setting, your
passenger compartment air filter (if equipped) may need to
be replaced. See ªMaintenance Scheduleº in the Index.Ventilation Tips

Keep the hood and front air inlet free of ice, snow or
any other obstruction (such as leaves). The heater
and defroster will work far better, reducing the
chance of fogging the inside of your windows.

When you enter a vehicle in cold weather, adjust the
mode knob to LOWER and the fan to the highest
speed for a few seconds before driving off. This
helps clear the intake ducts of snow and moisture
and reduces the chance of fogging the inside of
your windows.

Keep the air path under the front seats clear of
objects. This helps air to circulate throughout
your vehicle.

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3-40 Backglass Antenna
Your AM-FM antenna is integrated with your rear
window defogger, located in the rear window. Be sure
that the inside surface of the rear window is not
scratched and that the lines on the glass are not
damaged. If the inside surface is damaged, it could
interfere with radio reception.
NOTICE:
Do not try to clear frost or other material from
the inside of the rear window with a razor blade
or anything else that is sharp. This may damage
the rear defogger grid and affect your radio's
ability to pick up stations clearly. The repairs
wouldn't be covered by your warranty.
Because this antenna is built into your rear window,
there is a reduced risk of damage caused by car washes
and vandals.
If you choose to add a cellular telephone to your vehicle,
and the antenna needs to be attached to the glass, be sure
that you do not damage the grid lines for the AM
-FM
antenna. There is enough space between the lines to
attach a cellular telephone antenna without interfering
with radio reception.
Vehicle Customization Settings
Your audio system can be used to control vehicle
customization settings using the DISP button when
the radio is off. See ªVehicle Customization Settingsº
in the Index.

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4-23
Once you are moving on the freeway, make certain you
allow a reasonable following distance. Expect to move
slightly slower at night.
When you want to leave the freeway, move to the proper
lane well in advance. If you miss your exit, do not,
under any circumstances, stop and back up. Drive on to
the next exit.
The exit ramp can be curved, sometimes quite sharply.
The exit speed is usually posted.
Reduce your speed according to your speedometer, not
to your sense of motion. After driving for any distance
at higher speeds, you may tend to think you are going
slower than you actually are.
Before Leaving on a Long Trip
Make sure you're ready. Try to be well rested. If you
must start when you're not fresh
-- such as after a day's
work
-- don't plan to make too many miles that first part
of the journey. Wear comfortable clothing and shoes you
can easily drive in.
Is your vehicle ready for a long trip? If you keep it
serviced and maintained, it's ready to go. If it needs
service, have it done before starting out. Of course,
you'll find experienced and able service experts inChevrolet dealerships all across North America.
They'll be ready and willing to help if you need it.
Here are some things you can check before a trip:

Windshield Washer Fluid: Is the reservoir full?
Are all windows clean inside and outside?

Wiper Blades: Are they in good shape?

Fuel, Engine Oil, Other Fluids: Have you checked
all levels?

Lamps: Are they all working? Are the lenses clean?

Tires: They are vitally important to a safe,
trouble
-free trip. Is the tread good enough for
long
-distance driving? Are the tires all inflated to the
recommended pressure?

Weather Forecasts: What's the weather outlook
along your route? Should you delay your trip a short
time to avoid a major storm system?

Maps: Do you have up
-to-date maps?