2017 LEXUS RX200T heater

5496-2. Using the air conditioning system and defogger
6
Interior features
RX350/RX200t_EE_OM48F32E
Turns the heated steering wheel on/off
The indicator light comes on when the
heated steering wheel is operating.
Heated steering wheel/seat heaters/seat ventila-
tors
: 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 blow-
ing air from the seats.
WARNING
●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 sticksharp objects (needles, na ils, etc.) into the seat.
●To prevent battery discharge, do not use the functions when the engine is off.
Heated steering wheel

5506-2. Using the air conditioning system and defogger
RX350/RX200t_EE_OM48F32E
■Operation condition
The heated steering wheel can be used when the engine switch is in IGNITION ON mode.
■Timer
The heated steering wheel will automatically turn off after about 30 minutes.
■When the heated steering wheel is operating
If the Heated Windshield Defroster is operated, operation of the heated steering wheel
will be suspended. Turn off the Heated Windsh ield Defroster to enable the heated steer- ing wheel. ( P. 543)
Vehicles without seat ventilators
Each time the switch is pressed, the
operation condition changes as follows.
Hi (3 segments lit)  Mid (2 segments
lit)  Lo (1 segment lit)  Off
The level indicator (amber) lights up during operation.
Vehicles with seat ventilators
When any switch is pressed, the system is set to automatic mode and the
“AUTO” indicator (green) lights up.
Each time the switch is pressed, the
operation condition changes as follows.
Hi (3 segments lit)  Mid (2 segments
lit)  Lo (1 segment lit)  Off
The level indicator (amber) lights up
during operation.
■Operation condition
The front seat heaters can be used when th e engine switch is in IGNITION ON mode.
■Customization
Some functions can be customized. ( P. 740)
Front seat heaters
Level
indicator
Level
indicator
“AUTO”
indicator

5516-2. Using the air conditioning system and defogger
6
Interior features
RX350/RX200t_EE_OM48F32E
■When the front passenger seat heater is operating
If the Heated Windshield Defroster is operated, operation of the front passenger seat heater will be suspended. Turn off the Heated Windshield Defroster enable the front pas-
senger seat heater. ( P. 543)
Each time the switch is pressed, the
operation condition changes as follows.
Hi (3 segments lit)  Mid (2 segments
lit)  Lo (1 segment lit)  Off
The level indicator (amber) lights up
during operation.
■Operation condition
The rear seat heaters can be used when th e engine switch is in IGNITION ON mode.
■When the rear seat heaters are operating
If the Heated Windshield Defroster is operat ed, operation of the rear seat heaters will be
suspended. Turn off the Heated Windshield Defroster to enable the rear seat heaters. ( P. 543)
When any switch is pressed, the system
is set to automatic mode and the
“AUTO” indicator (green) lights up.
Each time the switch is pressed, the
operation condition changes as follows.
Hi (3 segments lit)  Mid (2 segments
lit)  Lo (1 segment lit)  Off
The level indicator (green) lights up
during operation.
■Operation condition
The seat ventilators can be used when th e engine switch is in IGNITION ON mode.
■Customization
Some functions can be customized. ( P. 740)
Rear seat heaters
Level indicator
Seat ventilators
Level
indicator
“AUTO”
indicator

5917-1. Maintenance and care
7
Maintenance and care
RX350/RX200t_EE_OM48F32E
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 su ch as benzene or gasoline, alkaline 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 interior 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 upholstery, as theymay 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 contactwith electrical components such as the au dio 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 Lexus Safety System+)
Do not allow glass cleaner to contact the lens. Also, do not touch the lens.
( P. 293)
■Cleaning the inside of the rear window
●Do not use a 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 luke- warm water to gently wipe the window clean. Wipe the window in strokes runningparallel to the heater wires or antenna.
●Be careful not to scratch or damage the heater wires or antenna.

6788-2. Steps to take in an emergency
RX350/RX200t_EE_OM48F32E
■System warning lights
The master warning light does not come on or flash in the following cases. Instead, a sep- arate system warning light will come on al ong with a message shown on the multi-infor- mation display.
●“Antilock Brake System Malfunction Visit Your Dealer”:
The ABS warning light comes on. ( P. 667)
●“Charging System Malfunction See Owner’s Manual” (F SPORT models):
The charging system warning light comes on. ( P. 666)
■Warning buzzer
 P. 671
NOTICE
■“High Power Consumption Partial Limit On AC/Heater Operation” is frequently
shown
There is a possible malfunction relating to the charging system or the battery may be deteriorating. Have the vehicle inspected by any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Vehicles with a Heated Windshield Defroste r: This message will be displayed when the Heated Windshield Defroster is oper ating. This is not a malfunction.

749
9
9-2. Customization
Vehicle specifications
RX350/RX200t_EE_OM48F32E
■Driving mode select switch ( P. 417)
*:If equipped
■Automatic air conditioning system (P. 536)
*:If equipped
■Seat heaters*/seat ventilators* (P. 550, 551)
*:If equipped
FunctionDefault settingCustomized setting
Powertrain control in customized mode*NormalPowerO—Eco
Chassis control in customizedmode*NormalSportO—
Air conditioning operation incustomized mode*NormalEcoO—
12
FunctionDefault settingCustomized setting
Switching between outside air
and recirculated air mode linked to “AUTO” switch operationOnOffOO
A/C auto switch operationOnOffOO
Exhaust gas sensor sensitivity*Standard-3 to 3OO
12
FunctionDefault settingCustomized setting
Driver’s seat temperature prefer-ence in automatic modeStandard-2 (cooler) to 2 (warmer)OO
Front passenger’s seat tempera-
ture preference in automatic modeStandard-2 (cooler) to 2 (warmer)OO
12

761Alphabetical index
RX350/RX200t_EE_OM48F32E
Child safety................................................. 54
Airbag precautions .............................. 43
Back door precautions .................... 148
Battery precautions ................. 610, 717
Child restraint system......................... 54
How your child should wear
the seat belt .......................................... 37
Installing child restraints .................... 54
Moon roof precautions .................... 217
Panoramic moon roof
precautions.......................................... 221
Power back door precautions....... 161
Power window lock switch............ 210
Power window precautions ........... 213
Rear door child-protectors ............143
Removed key battery
precautions........................................639
Seat belt precautions .......................... 39
Seat heater precautions .................549
Child-protectors .................................... 143
Cleaning .......................................584, 589
Aluminum wheels ............................. 585
Exterior................................................... 584
Interior .................................................... 589
Seat belts............................................... 590
Clock ................................................ 96, 568
Coat hooks .............................................. 577
Condenser .............................................. 607
Console box ........................................... 557
Consumption screen ................. 105, 128
Coolant
Capacity..................................................734
Checking ...............................................605
Preparing and checking
before winter.................................... 429
Cooling system ..................................... 605
Engine overheating ............................ 718
Cornering lights .................................... 266
Cruise control
Cruise control ....................................... 341
Dynamic radar cruise control
with full-speed range ................... 329
Cup holders ............................................558
Curtain shield airbags ............................. 41
Customizable features....................... 740
Customized mode ................................. 417
Daytime running light system ...........267
Defogger
Outside rear view mirrors ............ 542
Rear window........................................ 542
Windshield ........................................... 542
Differential............................................... 736
Dimensions ..............................................726
Display
Dynamic radar cruise control
with full-speed range ................... 329
LKA (Lane-Keeping Assist) .......... 319
Multi-information display................ 100
Warning messages .......................... 673
D

763Alphabetical index
RX350/RX200t_EE_OM48F32E
Engine
ACCESSORY mode ..................... 247
Compartment..................................... 599
Engine switch....................................... 246
Hood ........................................................ 597
How to start the engine .................. 246
Identification number ....................... 728
If your vehicle has to be
stopped in an emergency.......... 657
Ignition switch (engine switch) ... 246
Overheating ...........................................718
Engine coolant
Capacity ................................................. 734
Checking .............................................. 605
Preparing and checking
before winter .................................... 429
Engine coolant temperature
gauge......................................................... 96
Engine immobilizer system...................77
Engine oil
Capacity ................................................. 729
Checking ................................................ 601
Preparing and checking
before winter .................................... 429
Engine oil pressure gauge ................. 107
Engine oil temperature gauge ......... 107
Engine switch ......................................... 246
EPS
(Electronic Power Steering)......... 423
Warning light ....................................... 667
ERA-GLONASS ........................ 46, 578
Flat tire ........................................... 679, 693
Floor mats ................................................... 32
Fluid
Automatic transmission.................. 735
Brake ....................................................... 736
Washer.......................................................611
Fog lights
Replacing light bulbs ....................... 643
Switch ...................................................... 278
Follow me home system .................... 266
Front fog lights
Replacing light bulbs ...................... 643
Switch ...................................................... 278
Front passenger footwell hooks ..... 575
Front passenger’s seat belt
reminder light ..................................... 669
Front position lights
Light switch........................................... 265
Replacing light bulbs ....................... 643
Front seat heaters................................. 550
Front seats
Adjustment .............................................185
Cleaning ................................................589
Correct driving posture.....................34
Driving position memory ................ 195
Head restraints ................................... 200
Power easy access system............. 195
Seat heaters..........................................550
Seat position memory .......................195
F