2008 Lexus IS250 Owner's Manual

192
08_IS350/250_U_(L/O_0708)
3-1. Using the air conditioning system and defogger
Automatic air conditioning system
Using the automatic modePress .The air conditioning system will begin to operate. Air outlets
and fan speed are automatically adjusted according to the
temperature setting.
Press to switch to automa tic mode. (IS350 only)
Automatically switches between outside air and recirculated
air modes.
Airflow and outlets are automatically adjusted according to the tempera-
ture setting.
With navigation system
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
Without navigation system
Automatic mode
Driver’s side temperature
setting display Changes the air outlets used
Off Fan speed
Airflow display
Fan speed display
Passenger’s side temperature
setting displayMicro dust and
pollen filter
Driver's side temperature
control Air conditioning on/off switch Outside air or recirculated modeFront windshield defoggerPassenger’s side
temperature control
Dual operation switch
STEP1
STEP2

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3-1. Using the air conditioning system and defogger
3
Interior features
08_IS350/250_U_(L/O_0708)Press
∧ to increase the temperature and ∨ to decrease the tem-
perature on .
The temperature for the driver and passenger seats can be set sepa-
rately.
Adjusting the settings ■ Adjusting the temperature setting
Press ∧ to increase the temperature and ∨ to decrease the tempera-
ture on .
Press ∧ (increase) or ∨ (decrease) on to separately adjust the temper-
ature for the passenger and driver si des (dual mode). Press to return
the driver and passenger side temperatures to the same setting (simulta-
neous mode).
The air conditioning system switches between individual and simultaneous
modes each time is pressed.
■ Adjusting the fan speed
Press ∧ (increase) or ∨ (decrease) on .
Press to turn the fan off.
STEP3

194
3-1. Using the air conditioning system and defogger
08_IS350/250_U_(L/O_0708)■
Changing the air outlets
Press .
The air outlets switch each time the
button is pressed.
Air flows to the upper body.
Air flows to the upper body and
feet.
Air flows to the feet.
Air flows to the feet and the
front windshield defogger oper-
ates.
*: Only in the automatic mode
**
* *

195
3-1. Using the air conditioning system and defogger
3
Interior features
08_IS350/250_U_(L/O_0708)■
Switching between outside air and recirculated air modes
IS250
Press .
The mode switches between (recycles air inside the vehicle) and (introduces air from outside the vehicle) modes each time the but-
ton is pressed.
IS350
Press .
The mode switches among (recycles air inside the vehicle),
“AUTO” and (introduces air from outside the vehicle) modes each
time the button is pressed.
When the system is switched to automatic mode, the air conditioning
system operates automatically.
Defogging the front windshield
Defogging
The air conditioning system control
operates automatically.
Recirculated air mode may auto-
matically switch to (outside
air) mode.

196
3-1. Using the air conditioning system and defogger
08_IS350/250_U_(L/O_0708)
Micro dust and pollen filterPress .
Outside air mode switches to (recirculated air) mode. Pol-
len is removed from the air and the
air flows to the upper part of the
body.
To stop the operation, press again.
Adjusting the sensitivity of the air intake control in automatic mode (IS350 only)
Press for 2 or more sec-
onds.
Press ∧ (increase) or ∨ (decrease)
on .
From —3 (low) to 3 (high) can be
set.
STEP1
STEP2

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3-1. Using the air conditioning system and defogger
3
Interior features
08_IS350/250_U_(L/O_0708)
Adjusting the position of and op ening and closing the air outlets
Center outlets Direct air flow to the left or right,
up or down
Turn the knob up to open the
vent and down to close the vent
Front outlets (right and left side) Direct air flow to the left or right,
up or down
Turn the knob right to open the
vent and left to close the vent
Rear outlets Direct air flow to the left or right,
up or down
Turn the knob fully to the outside
of the vehicle to close the vent

198
3-1. Using the air conditioning system and defogger
08_IS350/250_U_(L/O_0708)
■Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature setting and
ambient conditions. As a result, the following may occur.
●The system may switch automatically to recirculated mode when the coolest
temperature setting is selected in summer.
●Immediately after the switch is pressed, the fan may stop for a while until warm
or cool air is ready to flow.
●Cool air may flow to the area around the upper body when the heater is on.
■Using the system in recirculated air mode
The windows will fog up more easily if the recirculated air mode is used for an
extended period.
■Window defogger feature
Recirculated air mode may automatically switch to
(outside air) mode in situ-
ations where the windows need to be defogged.
■When outside air temperature approaches 32° F (0°C)
The air conditioning system may not operate even when is pressed.
■When the indicator light on flashes
Press and turn off the air conditioning system before turning it on once
more. There may be a problem in the air conditioning system if the indicator light
continues to flash. Turn the air conditioning system off and have it inspected by your
Lexus dealer.
■Automatic mode for air intake control (IS350 only)
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
■Micro dust and pollen filter
●In order to prevent the window from fogging up when the outside air is cold, the
following may occur.
• Outside air mode does not switch to .
• The air conditioning system operates automatically.
• The operation cancels after 1 minute.
●In rainy weather, the windows may fog up. Press .

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Interior features
08_IS350/250_U_(L/O_0708)
CAUTION
■To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The dif-
ference between the temperature of the outside air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
■To prevent battery discharge
Do not leave the automatic air conditioning system on longer than necessary when
the engine is stopped.