Page 458 of 676

4586-2. Using the air conditioning system
IS200t_EE(OM53D77E)
■Switching between outside air and recirculated air modes
Press to change to recirculated air mode.
Press to change to outside air mode.
The indicator above the selected button comes on.
■Pollen removal mode (if equipped)
Pollen is removed from the air and the air flows to the upper part of the body.
Select
on the option control screen.
When the pollen removal mode is on, is displayed on the air conditioning
control screen.
In order to prevent the windshield from fogg ing up when the outside air is cold, the
dehumidification function may operate.
The pollens are filtered out even if the pollen removal mode is turned off.
■Defogging the windshield
Defoggers are used to defog the windshield and front side windows.
Press .
Set the outside/recirculated air mode button to outside air mode if the recirculated
air mode is used. (It may switch automatically.)
To defog the windshield and the side windows early, turn the air flow and tempera-
ture up.
To return to the previous mode, press again when the windshield is
defogged.
■Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window, and to remove raindrops, dew
and frost from the outside rear view mirrors.
Press .
The defoggers will automatically turn off after a period of time.
Other functions
Page 502 of 676

5027-3. Do-it-yourself maintenance
IS200t_EE(OM53D77E)
■After changing the engine oil
The engine oil maintenance data should be reset. Perform the following procedures:Select on the multi-information display. ( P. 107)
Press the or meter control switch on the steering wheel to select “Vehicle
Settings” then “Oil Maintenance”. (To confirm setting, press .)
Select “Yes” and then press .
A message is displayed on th e multi-information display.
WARNING
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may cause skin dis-
orders such as inflammation and skin cancer, so care should be taken to avoid pro-
longed and repeated contact. To remove used engine oil from your skin, wash
thoroughly with soap and water.
●Dispose of used oil and filters only in a safe and acceptable manner. Do not dispose of
used oil and filters in household trash, in sewers or onto the ground.
Call any authorized Lexus retailer or Le xus authorized repairer, or any reliable
repairer, service station or auto parts store for information concerning recycling or
disposal.
●Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine could be damaged.
●Check the oil level on the dipstick every time you refill the vehicle.
●Be sure the engine oil filler cap is properly tightened.
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Page 508 of 676
5087-3. Do-it-yourself maintenance
IS200t_EE(OM53D77E)
If any washer does not work or the
warning message appears on the multi-
information display, the washer tank
may be empty. Add washer fluid.
Washer fluid
WARNING
■When adding washer fluid
Do not add washer fluid when the engine is hot or running as washer fluid contains
alcohol and may catch fire if spilled on the engine etc.
NOTICE
■Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
■Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bottle.
Page 513 of 676

5137-3. Do-it-yourself maintenance
7
Maintenance and care
IS200t_EE(OM53D77E)
■Situations in which the tire pressure warning system may not operate properly
●In the following cases, the tire pressure warning system may not operate properly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on the vehi cle, particularly around the wheels or wheel
housings.
• If the tire inflation pressure is extr emely higher than the specified level.
• If tires not equipped with tire pressure warning valves and transmitters are used.
• If the ID code on the tire pressure warning valves and transmitters is not registered in the tire pressure warning computer.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, large display, air-
port or other facility that generates st rong radio waves or electrical noise
• When carrying a portable radio, cellular phone, cordless phone or other wireless communication device
●When the vehicle is parked, the time taken for the warning to start or go off could be
extended.
●When tire inflation pressure declines rapi dly for example when a tire has burst, the
warning may not function.
■The initialization operation
●Make sure to carry out initialization af ter adjusting the tire inflation pressure.
Also, make sure the tires are cold before carrying out initialization or tire inflation pres-
sure adjustment.
●If you have accidentally turned the engine swit ch off during initialization, it is not neces-
sary to press the reset switch again as init ialization will restart automatically when the
engine switch has been turned to IGNITION ON mode for the next time.
●If you accidentally press the reset switch when initialization is not necessary, adjust the
tire inflation pressure to the specified leve l when the tires are cold, and conduct initial-
ization again.
■Warning performance of the tire pressure warning system
The warning of the tire pressure warning syst em will change in accordance with the con-
ditions under which it was initialized. For this reason, the system may give a warning even
if the tire pressure does not reach a low enough level, or if the pressure is higher than the
pressure that was adjusted to when the system was initialized.
Page 543 of 676

543
8When trouble arises
IS200t_EE(OM53D77E)
8-1. Essential informationEmergency flashers ..................544
If your vehicle has to be stopped in an
emergency .................................545 8-2. Steps to take
in an emergency
If your vehicle needs to be towed................................ 546
If you think something is wrong....................................... 552
Fuel pump shut off system ......553
If a warning light turns on or a warning buzzer
sounds..........................................554
If a warning message is displayed ................................560
If you have a flat tire (vehicles with emergency
tire puncture repair kit) ........586
If you have a flat tire (vehicles with a
spare tire) .................................... 601
If the engine will not start ......... 613
If the electronic key does not operate properly .............. 615
If the vehicle battery is discharged.............................. 618
If your vehicle overheats ......... 622
If the vehicle becomes stuck ............................................. 626
Page 555 of 676

5558-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D77E)
ABS warning lightIndicates a malfunction in:
•The ABS; or
• The brake assist system
Have the vehicle inspected by an y authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
Parking brake warning light (warning buzzer)*1
Indicates that the parking brake is engaged
Release the parking brake.
Electric power steering system warning light (warning buzzer)
Indicates a malfunction in the EPS (Electric Power Steering) sys-
tem
Have the vehicle inspected by an y authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
(If equipped)
LDA (Lane Departure Alert) indicator If the LDA indicato r is illuminated:
Indicates a malfunction in the LDA (Lane Departure Alert with
steering control) system.
Check the warning message displa yed on the multi-information
display. ( P. 560)
If the LDA indicator flashes:
Indicates that the vehicle has deviated from the lane (while the
LDA [Lane Departure Alert with stee ring control] system is oper-
ating)
Check the area around the vehi cle and return the vehicle to
between the lane lines.
Warning lightWarning light/Details/Actions
Page 560 of 676
5608-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
Master warning light
The master warning light also comes on or flashes in order to indicate that a message
is currently being displayed on the multi-information display.
Multi-information display
If any of the warning lights come on again after the following actions have been
performed, contact any authorized Lexus retailer or Lexus authorized repairer,
or any reliable repairer.
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and perform
the following actions:
Except F SPORT modelsF SPORT models (when the main
meter is in the center position)
F SPORT models (when the main
meter is in the right-side position)
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Page 578 of 676

5788-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
(If equipped)
Indicates that the PCS (Pre-Collision System) is tempo-
rarily unavailable
When conditions improve, the system resumes
operation. If this message is displayed continuously,
have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates that operation of large electricity consuming
systems such as the air conditioning system are sus-
pended
Stop using unnecessary electric components to
reduce electricity consumpt ion. Wait a while until
the electric power supply is restored.
If this message is frequently displayed, have the
vehicle inspected by any authorized Lexus retailer
or Lexus authorized repairer, or any reliable
repairer immediately.
(If equipped)
Indicates that the PCS (Pre-Collision System) is tempo-
rarily unavailable
When conditions improve, the system resumes
operation. If this message is displayed continuously,
have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates that part of the PCS (Pre-Collision System)
sensor is dirty, covered with ice, etc.
Remove any dirt, ice, etc.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)