air filter Lexus GS450h 2018 Owner's Manual / LEXUS 2018 GS450H OWNER'S MANUAL (OM30G62U)

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GS450h_OM_OM30G62U_(U)
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6-3. Do-it-yourself maintenanceDo-it-yourself service precautions................................ 349
Hood ................................................ 351
Positioning a floor jack ............ 352
Engine compartment ............... 353
12-volt battery ............................. 362
Tires ................................................. 365
Tire inflation pressure .............. 375
Wheels ........................................... 378
Air conditioning filter ...............380
Electronic key battery.............. 382
Checking and replacing fuses.............................................. 384
Headlight aim (vehicles with single-beam head lights) ...... 389
Light bulbs ......................................391
7-1. Essential information Emergency flashers .................. 396
If your vehicle has to be stopped in an emergency.... 397 7-2. Steps to take in an emergency
If your vehicle needs to be towed ............................... 398
If you think something is wrong................ 403
If a warning light turns on or a warning buzzer sounds .... 404
If a warning message is displayed ................................. 410
If you have a flat tire ....................441
If the hybrid system will not start ............................... 450
If the parking brake cannot be released................................ 452
If the electronic key does not operate properly..................... 454
If the 12-volt battery is discharged............................. 457
If your vehicle overheats...........461
If the vehicle becomes stuck ............................................. 466
7When trouble arises

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GS450h_OM_OM30G62U_(U)
5-2. Using the air conditioning system and defogger
*: ⎯Air flows to the upper body
⎯ Air flows to the upper body and feet
⎯ Air flows to the feet
■Option control screen
Select on the control screen to display the option control screen. The
functions can be switched on and off.
When the function is on, the indicator illuminates on the control screen.
(→P. 289)
Prevent ice from building up on
the windshield and wiper blades
(if equipped) ( →P. 293)
Remove pollen from the air
(Micro dust an d pollen filter)
(→ P. 293)
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GS450h_OM_OM30G62U_(U)
2935-2. Using the air conditioning system and defogger
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Interior features
■Switching between outside air and recirculated air modes
Press .
The mode switches among (recirculated air mode), automatic and
(outside air mode) modes each time the button is pressed.
When the system is switched to automatic mode, the air conditioning system oper-
ates automatically.
■Defogging the windshield
Defoggers are used to defog the wi ndshield 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 wind ows 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 af ter 15 to 60 minutes. The operation
time changes according to the ambi ent temperature and vehicle speed.
■Windshield wiper de-icer (if equipped)
This feature is used to prevent ice fr om building up on the windshield and
wiper blades.
Select on the option control screen.
The windshield wiper de-icer will automa tically turn off after approximately 15
minutes.
■Micro dust and pollen filter
Pollen is removed from the air and the air flows to the upper part of the body.
Select on the option control screen.
Usually the system will turn off automatically.
In order to prevent the windshield from fo gging up when the outside air is cold, the
dehumidification function may operate.
The pollens are filtered out even if the micro dust and pollen filter is turned off.
Other functions

GS450h_OM_OM30G62U_(U)
2975-2. Using the air conditioning system and defogger
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Interior features
■Air conditioning filter
→P. 380
■Customization
Settings (e.g. exhaust gas sensor sensitivity) can be changed.
(Customizable features: →P. 494)
WARNING
■To prevent the windshield from fogging up
●Do not use during cool air operation in extremely humid weather. The differ-
ence 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.
■To prevent burns
●Do not touch the rear view mirror surfaces when the outside rear view mirror defog-
gers are on.
●Vehicles with windshield wiper de-icer: Do not touch the glass at lower part of the
windshield or to the side of the front pill ars when the windshield wiper de-icer is on.
NOTICE
■To prevent 12-volt battery discharge
Do not leave the air conditioning system on longer than necessary when the hybrid sys-
tem is off.
●Do not place anything on the instrument
panel which may cover th e air outlets. Other-
wise, air flow may be obstructed, preventing
the windshield defoggers from defogging.

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GS450h_OM_OM30G62U_(U)
6Maintenance and care
6-1. Maintenance and care Cleaning and protecting the vehicle exterior ................ 336
Cleaning and protecting the vehicle interior..................340
6-2. Maintenance Maintenance requirements ... 343
General maintenance.............. 345
Emission inspection and maintenance (I/M)
programs ....................................348
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 349
Hood ................................................ 351
Positioning a floor jack ............ 352
Engine compartment ...............353
12-volt battery ............................. 362
Tires ................................................. 365
Tire inflation pressure............... 375
Wheels ........................................... 378
Air conditioning filter .............. 380
Electronic key battery ..............382
Checking and replacing fuses ..............................................384
Headlight aim (vehicles with single-beam headlights).......389
Light bulbs...................................... 391

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GS450h_OM_OM30G62U_(U)
6-3. Do-it-yourself maintenance
WARNING
The engine compartment contains many mechanisms and fluids that may move suddenly,
become hot, or become electrically energize d. To avoid death or serious injury, observe
the following precautions.
■When working on the engine compartment
●Make sure that the “POWER ON” on the multi-information display and the
“READY” indicator are both off.
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, power co ntrol unit, radiator, exhaust manifold, etc.
right after driving as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, such as paper and rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel. Fuel fumes are flamma-
ble.
■When working near the electric cooling fans or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, the electric cooling fans may automatically start to
run if the air conditioning is on and/ or the coolant temperature is high. ( →P. 359)
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in
your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner f ilter removed may cause excessive engine wear due to dirt
in the air.

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6-3. Do-it-yourself maintenance
Air conditioning filter
Turn the power switch off.
Open the glove box. Lift up the side
with the stay, disconnect the stay
tabs and remove the partition by
pulling horizontally.
Press the tabs and remove the filter
cover.
Press the tabs and remove the filter
case.
The air conditioning filter must be changed regularly to maintain air condi-
tioning efficiency.
Removal method
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GS450h_OM_OM30G62U_(U)
3816-3. Do-it-yourself maintenance
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Maintenance and care
Remove the air conditioning filter
from the filter case and replace it
with a new one.
The “\bUP” marks shown on the filter
and the filter case sh ould be pointing up.
■Changing interval
Inspect and replace the air cond itioning filter according to the maintenance schedule. In
dusty areas or areas with heavy traffic fl ow, early replacement may be required. (For
scheduled maintenance informat ion, please refer to the “Owner’s Manual Supplement”
or “Scheduled Maintenance”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
■Air conditioning filter with deodorizing function
When fragrances are placed in your vehicle, the deodorizing effect may become signifi-
cantly weakened in a short period.
When an air conditioning odor comes out cont inuously, replace the air conditioning filter.
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NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the system.

4327-2. Steps to take in an emergency
GS450h_OM_OM30G62U_(U)
Carrying out the corresponding action turns the messages off.
Warning messageDetails/Actions
(If equipped)
Indicates that the PCS (Pre-Collision System) is tempo-
rarily unavailable
→ When conditions improve, the system resumes
operation. If this item is displayed continuously, have
the vehicle inspected by your Lexus dealer.
Air conditioning, heater and other operations are tem-
porarily limited due to high power consumption
→ Turn off unnecessary electronic equipment to
reduce power consumption.
Please wait until the power supply returns to nor-
mal.
If this item is frequently displayed, have the vehicle
inspected at your Lexus dealer immediately.
(If equipped)
Indicates that part of th e PCS (Pre-Collision System)
sensor is dirty, covered with ice, etc.
A buzzer also sounds.
→ Remove any dirt, ice, etc.
Other displayed messages
(Flashes)
(Flashes)
(Flashes)
Warning messageDetails/Actions
Maintenance of the hybrid battery (traction battery)
cooling component is required
The filter may be clogged, the air intake vent may be
blocked or there may be a gap in the duct.
→ Have maintenance performe d on the hybrid battery
(traction battery) cooling component at your Lexus
dealer.

528Alphabetical index
GS450h_OM_OM30G62U_(U)
Alphabetical index
A/C ............................................................ 287Air conditioning filter....................... 380
Changing the rear seat settings .................................................294
Front automatic air conditioning system ..................................................287
Micro dust and pollen filter ...........293
Rear air conditioning system....... 298
S-FLOW mode ................................. 288
ABS (Anti-lock Brake System)....... 268 Function ................................................. 268
Warning light ...................................... 404
Warning message .............................. 410
Adaptive Front-lighting System (AFS) ....................................................... 201
Adaptive Variable Suspension system (AVS)...................................... 269
AFS (Adaptive Front-lighting System) ................................................... 201
Air conditioning filter ..........................380
Air conditioning system ..................... 287 Air conditioning filter....................... 380
Changing the rear seat settings .................................................294
Front automatic air conditioning system ..................................................287
Micro dust and pollen filter ...........293
Rear air conditioning system....... 298
S-FLOW mode ................................. 288 Airbags ........................................................ 35
Airbag operating conditions ...........42
Airbag precautions for your child ....................................... 38
Airbag warning light ........................ 404
Correct driving posture .................... 28
Curtain shield airbag operating conditions ........................42
Curtain shield airbag precautions .......................................... 40
Front passenger occupant classification system......................... 46
General airbag precautions ........... 38
Locations of airbags............................ 35
Modification and disposal of airbags................................................. 41
Side airbag operating conditions ..............................................42
Side airbag precautions .................... 38
Side and curtain shield airbags operating conditions ........................42
Side and curtain shield airbags precautions .......................................... 38
SRS airbags ............................................. 35
Alarm ............................................................ 77 Alarm ........................................................... 77
Warning buzzer...................... 404, 410
Anchor brackets....................................... 57
Antennas (smart access system with push-button start) ..................... 135
Anti-lock Brake System (ABS) ...... 268 Function .................................................. 268
Warning light ....................................... 404
Warning message...............................410
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