2000 TOYOTA TUNDRA Owners Manual

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Part 1
OPERATION OF
INSTRUMENTS AND
CONTROLSÐ
Chapter 1- 8
Air conditioning system

Controls

Air flow selector settings

Operating tips

Instrument panel vents
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1. Fan Speed Selector
2. Temperature Selector
3. Air Flow Selector
4. A/Cº Button (on some models)
5. Air Intake Selector
Air conditioning systemÐ
ÐControls
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Fan speed selector
Turn the knob to adjust the fan speedÐto
the right to increase, to the left to de-
crease.
Temperature selector
Turn the knob to adjust the temperatureÐ
to the right to warm, to the left to cool.
Air flow selector
Turn the knob to select the vents used for
air flow.1. PanelÐ Air flows mainly from the
instrument panel vents.
2. Bi- levelÐ Air flows from both the floor
vents and the instrument panel vents.
3. FloorÐ Air flows mainly from the floor
vents.
4. Floor/WindshieldÐ Air flows mainly
from the floor vents and windshield
vents.
5. WindshieldÐ Air flows mainly from the
windshield vents. For details about air flow selector settings,
see the illustration after A/Cº button.
Vehicles with A/Cº buttonÐ
Turning the air flow selector to windshield
position turns on the defroster to clear the
front view more quickly.
Air intake selector
The air intake selector button is used to
switch the air intake
FRESH mode that
draws outside air into the system and RE-
CIRCULATED mode that recirculates the
air inside vehicle.
To turn the air source to RECIRCULATED
mode, press the button. The indicator will
come on. To turn the air source to FRESH
mode, press the button again. The indica-
tor will go off.
When the air flow selector is positioned in
windshield or floor/windshield position, the
FRESH mode is automatically selected.
(At this time, the mode can't be turned to
RECIRCULATED mode manually.) This is
not a malfunction.
A/Cº button
To turn on the air conditioning, press the
A/Cº button. The A/Cº button indicator
will come on. To turn the air conditioning
off, press the button again.
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If the A/Cº button indicator flashes, there
is a problem in the air conditioning system
and the air conditioning automatically
shuts off. If this happens, take your ve-
hicle to a Toyota dealer for service.
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ÐAir flow selector settingsÐOperating tips

To cool off your Toyota after it has
been parked in the hot sun, drive with
the windows open for a few minutes.
This vents the hot air, allowing the air
conditioning to cool the interior more
quickly.

Make sure the air intake grilles in front
of the windshield are not blocked (by
leaves or snow, for example).

On humid days, do not blow cold air
on the windshield. The windshield could
fog up because of the difference in air
temperature on the inside and outside
of the windshield.

Keep the area under the front seats
clear to allow air to circulate through-
out the vehicle.

On cold days, move the fan speed to
HIº for a minute to help clear the in-
take ducts of snow or moisture. This
can reduce the amount of fogging on
the windows.

When driving on dusty roads, close all
windows. If dust thrown up by the ve-
hicle is still drawn into the vehicle after
closing the windows, it is recommended
that the air intake selector be set to
FRESH and the fan speed selector to
any setting except OFFº.
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If following another vehicle on a dusty
road, or driving in windy and dusty
conditions, it is recommended that the
air intake selector be temporarily set to
RECIRCULATE, which will close off the
outside passage and prevent outside
air and dust from entering the vehicle
interior.
Heating
For best results, set controls to:
Fan speedÐ Any setting except OFFº
TemperatureÐ To w a r d s WARM
(red zone)
Air intakeÐFRESH (outside air)
Air flowÐFLOOR
Air conditioningÐOFF

For quick heating, select recirculated
air for a few minutes. To keep the
windows from fogging, select fresh af-
ter the vehicle interior has been
warmed.

Press the A/Cº button on for dehumidi-
fied heating.

Choose floor/windshield air flow to heat
the vehicle interior while defrosting or
defogging the windshield. Air conditioning
For best results, set controls to:
Fan speedÐ Any setting except OFFº
TemperatureÐ To w a r d s COLD
(blue zone)
Air intakeÐFRESH (outside air)
Air flowÐPANEL
Air conditioningÐON

For quick cooling, move the air intake
selector to recirculate for a few min-
utes.
Ventilation
For best results, set controls to:
Fan speedÐ Any setting except OFFº
TemperatureÐ To w a r d s COLD
(blue zone)
Air intakeÐFRESH (outside air)
Air flowÐPANEL
Air conditioningÐOFF
Defogging
The inside of the windshield
For best results, set controls to:
Fan speedÐ Any setting except OFFº
TemperatureÐ To w a r d s WARM
(red zone) to heat;
COLD (blue zone) to cool
Air intakeÐFRESH (outside air)
Air flowÐWINDSHIELD
Turning the air flow selector to windshield
position turns on the defroster to clear the
front view more quickly.
Vehicles with A/Cº buttonÐ
Press the A/Cº button for dehumidified
heating or cooling. This setting clears the
front view more quickly.

On humid days, do not blow cold air
on the windshieldÐthe difference be-
tween the outside and inside tempera-
tures could make the fogging worse.
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Defrosting
The outside of the windshield
For best results, set controls to:Fan speedÐ Any setting except OFFº
TemperatureÐ To w a r d s WARM
(red zone)
Air intakeÐFRESH (outside air)
Air flowÐWINDSHIELD
Turning the air flow selector to windshield
position turns on the defroste to clear the
front view more quickly.
Vehicles with A/Cº buttonÐ
Press the A/Cº button for dehumidified
heating or cooling. This setting clears the
front view more quickly.

To heat the vehicle interior while de-
frosting the windshield, choose floor/
windshield air flow.
ÐInstrument panel vents
Side vents
Lower vent
If air flow control is not satisfactory, check
the instrument panel vents. The instrument
panel vents may be opened or closed as
shown.
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