
4036-1. Using the air conditioning system
6
Interior features
IS300h_EE(OM53B95E)
Option control screen
The functions can be switched on and off.
Cooling and dehumidification
function
Adjusting the temperature for
driver and passenger seats sep-
arately (“DUAL” mode)
(if equipped) (P. 403)
Removing pollen from the air
(Pollen removal mode)
(P. 404)
Press , or select “AUTO” on the air conditioning control screen.
Adjust the temperature setting.
To stop the operation, press or select “OFF” on the air condi-
tioning control screen.
If the system is operated manually in automatic mode
If the fan speed setting or air flow modes are operated, the automatic
mode indicator goes off. However, automatic mode for functions other
than that operated are maintained.
Adjusting the temperature for driver and passenger seats separately
(“DUAL” mode) (if equipped)
To turn on the “DUAL” mode, perform any of the following proce-
dures:
Press .
Select “DUAL” on the option control screen.
Adjust the passenger’s side temperature setting.
The indicator comes on when the “DUAL” mode is on.
While in “DUAL” mode, the temperature of the rear air outlets is set at the
right-hand side temperature setting.
1
2
3
Using automatic mode
1
2
3

4096-1. Using the air conditioning system
6
Interior features
IS300h_EE(OM53B95E)
Turn the heated steering wheel on/
off
The indicator light comes on when
the heated steering wheel is operat-
ing.
Heated steering wheel/seat heaters/seat ventilators
: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by
blowing air from the seats.
CAUTION
Care should be taken to prevent injury if anyone in the following categories
comes in contact with the steering wheel and seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs,
cold remedies, etc.)
Observe the following precautions to prevent minor burns or overheating,
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use seat heater more than necessary.
NOTICE
Do not put heavy objects that have an uneven surface on the seat and do not
stick sharp objects (needles, nails, etc.) into the seat.
To prevent 12-volt battery discharge, do not use the functions when the hybrid
system is off.
Heated steering wheel

4327-1. Maintenance and care
IS300h_EE(OM53B95E)
NOTICE
Cleaning detergents
Do not use the following types of detergent, as they may discolor the vehicle
interior or cause streaks or damage to painted surfaces:
• Non-seat portions: Organic substances such as benzene or gasoline, alka-
line or acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, such as thinner, benzene, and alcohol
Do not use polish wax or polish cleaner. The instrument panel’s or other inte-
rior part’s painted surface may be damaged.
Preventing damage to leather surfaces
Observe the following precautions to avoid damage to and deterioration of
leather surfaces:
Remove any dust or dirt from leather surfaces immediately.
Do not expose the vehicle to direct sunlight for extended periods of time. Park
the vehicle in the shade, especially during summer.
Do not place items made of vinyl, plastic, or containing wax on the uphol-
stery, as they may stick to the leather surface if the vehicle interior heats up
significantly.
Water on the floor
Do not wash the vehicle floor with water.
Vehicle systems such as the audio system may be damaged if water comes into
contact with electrical components such as the audio system above or under the
floor of the vehicle. Water may also cause the body to rust.
When cleaning the inside of the windshield (vehicles with LDA [Lane Depar-
ture Alert])
Be careful not to touch the camera sensor (P. 264).
If the camera is accidentally scratched or hit, LDA may not operate properly or
may cause a malfunction.
Cleaning the inside of the rear window
Do not use glass cleaner to clean the rear window, as this may cause damage
to the rear window defogger heater wires or antenna. Use a cloth dampened
with lukewarm water to gently wipe the window clean. Wipe the window in
strokes running parallel to the heater wires or antenna.
Be careful not to scratch or damage the heater wires or antenna.

594Alphabetical index
IS300h_EE(OM53B95E)
Card key ....................................130
Care ...................................426, 430
Aluminum wheels.................427
Exterior .................................426
Interior ..................................430
Seat belts...............................431
Cargo hooks ..............................417
Caution label ...............................83
CD player ..................................341
Chains ........................................312
Child restraint system ..................61
Baby seats, definition .............62
Baby seats, installation ...........71
Child seats, definition .............62
Child seats, installation...........71
Installing CRS with ISOFIX
rigid anchors.........................74
Installing CRS with seat belts 71
Installing CRS with top strap .75
Junior seats, definition ............62
Junior seats, installation .........73Child safety................................. 60
12-volt battery
precautions ................ 449, 554
Airbag precautions................. 45
Child restraint system ............ 61
How your child should
wear the seat belt ................. 40
Installing child restraints ....... 70
Moon roof precautions......... 190
Power window lock switch .. 184
Power window precautions.. 186
Rear door child-protectors ... 140
Removed electronic key
battery precautions ............ 474
Seat belt precautions .............. 42
Seat heater precautions ........ 409
Trunk precautions ............... 147
Child-protectors ....................... 140
Cleaning............................ 426, 430
Aluminum wheels ................ 427
Exterior ................................ 426
Interior ................................. 430
Seat belts .............................. 431
C

598Alphabetical index
IS300h_EE(OM53B95E)
First-aid kit storage belt ............417
Flat tire
Vehicles with emergency
tire puncture repair kit ........531
Vehicles with run-flat tires ...545
Floor mats....................................34
Fluid
Brake ....................................569
Hybrid
transmission .......................568
Washer ..................................446
Fog lights ...................................233
Replacing light bulbs ....481, 493
Switch ...................................233
Wattage .................................572
Follow me home system............227
Footwell light ............................411
Wattage .................................572
Front fog lights ..........................233
Replacing light bulbs ....481, 493
Switch ...................................233
Wattage .................................572Front personal lights ................. 412
Wattage ................................ 572
Front position lights.................. 226
Light switch ......................... 226
Replacing light bulbs ........... 493
Front seats................................. 164
Adjustment........................... 164
Cleaning ............................... 430
Correct driving posture .......... 36
Driving position memory..... 168
Head restraints ..................... 173
Power easy access system.... 170
Seat heaters .......................... 410
Seat position memory .......... 168
Seat ventilators .................... 410
Front turn signal lights ............. 222
Replacing light bulbs ... 483, 485
Turn signal lever .................. 222
Wattage ................................ 572
F

606Alphabetical index
IS300h_EE(OM53B95E)
Seat belt reminder light .............509
Seat belts .....................................38
Adjusting the seat belt ............39
Child restraint system
installation ............................71
Cleaning and maintaining
the seat belt.........................431
Emergency Locking
Retractor (ELR)....................40
How to wear your seat belt .....38
How your child should wear
the seat belt...........................40
Pregnant women, proper
seat belt use ..........................41
Reminder light and
buzzer .................................509
Seat belt pretensioners ............39
SRS warning light ................508
Seat heaters................................410
Seat position memory ................168
Seat ventilators ..........................410Seats, Front ............................... 164
Adjustment........................... 164
Adjustment precautions ....... 165
Child seats/child restraint
system installation ............... 70
Cleaning ............................... 430
Driving position memory..... 168
Head restraints ..................... 173
Power easy access system.... 170
Properly sitting in the seat ..... 36
Seat heaters .......................... 410
Seat position memory .......... 168
Seat ventilators .................... 410
Seats, Rear ................................ 166
Fold down the seatback ....... 166
Luggage security system ..... 145
Sensor
Automatic headlight system 227
Automatic High Beam system ...
232
Inside rear view mirror ........ 179
Intrusion sensor and tilt sensor ..
99
LDA (Lane Departure Alert) 264
Lexus parking assist-sensor . 271
Radar sensor ........ 257, 301, 313
Rain-sensing windshield
wipers ................................ 239
S