506 6-2. Using the air conditio ning system and defogger
RX350_U_OM48E90U Turns the heated steering wheel on/off The indicator light comes on when the
heated steering wheel is operating. ■
Operation condition
The heated steering wheel can be used when the engine switch is in IGNITION ON
mode. ■
Timer
The heated steering wheel will automati cally turn off after about 30 minutes.
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) OffThe 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. 6 9 9 )Heated steering wheel
Front seat heaters
Level
indicator“A U T O ”
indicator
5076-2. Using the air conditioning system and defogger
6
Interior features
RX350_U_OM48E90U Each time the switch is pressed, the
operation condition changes as follows.
Hi (3 segments lit) Mid (2 segments
lit) Lo (1 segment lit) OffThe level indicator (amber) lights up
during operation.
■
Operation condition
The rear seat heaters can be used wh en the engine switch is in IGNITION
ON mode.
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) OffThe level indicator (g reen) lights up dur-
ing operation. ■
Operation condition
The seat ventilators can be used when the engine switch is in IGNITION ON mode.■
Customization
Some functions can be customized. ( P. 6 9 9 )Rear seat heaters Level indicator
Seat ventilators Level
indicator“A U T O ”
indicator
5637-1. Maintenance and care
7
Maintenance and care
RX350_U_OM48E90U 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, alkaline or
acidic solutions, dye, and bleach
• Seats: Alkaline or acidic solutions, su ch 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 they
may stick to the leather su rface 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 ma y be damaged if water comes into contact
with 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 windshie ld (vehicles with Lexus Safety System+)
Do not allow glass cleaner to contact the lens. Also, do not touch the lens.
( P. 283, 293) ■
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 luke-
warm water to gently wipe the window cl ean. 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.
6217-3. Do-it-yourself maintenance
7
Maintenance and care
RX350_U_OM48E90U Install the cover. Align the tabs of the cover with the
grooves and install the cover.
■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer. ●
Headlight low beams ●
Headlight high beams ●
Front turn signal lights (vehic les with triple-beam headlights)●
Parking lights and daytime running lights ●
Front fog lights ●
Cornering lights (if equipped) ●
Front side marker lights (vehicles with triple-beam headlights) ●
Side turn signal lights ●
Stop/tail lights ●
Rear turn signal light (vehic les with triple-beam headlights)●
Rear side marker lights ●
High mounted stoplight ●
License plate lights ●
Outer foot lights 5
622 7-3. Do-it-yourself maintenance
RX350_U_OM48E90U ■
LED lights
The headlight low beams, headlight high beams, front turn signal lights (vehicles with tri-
ple-beam headlights), parking lights and dayt ime running lights, front fog lights, corner-
ing lights (if equipped), front side marker lights (vehicles with tr iple-beam headlights),
side turn signal lights, stop/t ail lights, rear turn signal lig ht (vehicles with triple-beam
headlights), rear side marker lights, high moun ted stoplight, license plate lights, and outer
foot lights consist of a number of LEDs. If an y of the LEDs has burned out, take your vehi-
cle to your Lexus dealer to have the light replaced. ■
Condensation build-up on the inside of a lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for mo re information in the following situations:●
Large drops of water have built up on the inside of a lens.●
Water has built up inside a headlight. ■
When replacing light bulbs
P. 6 0 6
WA R N I N G ■
To p r e v e n t i n j u r y
Before performing any light bulb replacement procedure, be sure to turn the engine
switch off. Failure to do so may result in burns from hot components or a part of your
body may get caught on an operating comp onent, possibly causing serious injury.■
Replacing light bulbs ●
Turn off the lights. Do not attempt to replace the bulb immediately after turning off the
lights.
The bulbs become very hot and may cause burns. ●
Do not touch the glass portion of the light bulb with bare hands. When it is unavoid-
able to hold the glass portion, use and ho ld with a clean dry cloth to avoid getting
moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.●
Fully install light bulbs and any parts used to secure them. Failure to do so may result
in heat damage, fire, or water entering the headlight unit. This may damage the head-
lights or cause condensation to build up on the lens.●
Do not attempt to repair or disassemble the light bulbs, connectors, electric circuits
or component parts.
Doing so may result in death or se rious injury due to electric shock.■
To prevent damage or fire ●
Make sure bulbs are fully seated and locked. ●
Check the wattage of the bulb before installin g to prevent heat damage.
636 8-2. Steps to take in an emergency
RX350_U_OM48E90U (If equipped)
PCS warning light
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Collision System)
Have the vehicle inspected by your Lexus dealer immediately.
When the warning light flashes (and a buzzer does not sound):
Indicates that the PCS (Pre-Collision System) is temporarily
unavailable, possibly due to either of the following:
• An area around the radar sensor or camera sensor being dirty,
fogged up or covered with co ndensation, ice, stickers, etc.
Clear the dirt, fog, condensation, ice, stickers, etc.
( P. 2 6 5 , 2 6 6 )
• Radar sensor or camera sensor temperature being outside of its
operational range
Wait for a while until the area around the front sensor has cooled
down sufficiently.
When the warning ligh t is illuminated:
Either the VSC (Vehicle Stability Control) system or PCS (Pre-
Collision System) is disabled or both are disabled.
To enable the PCS, enable both the VSC system and PCS.
( P. 2 74 , 3 7 7 )
Low fuel level warning light
Indicates that remaining fuel is approximately 2.8 gal. (10.8 L,
2.3 Imp. gal.) or less
Refuel the vehicle.
Seat belt reminder light (warning buzzer)
*Warns the driver and/or front passenger to fasten their seat belts
Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s
seat belt also needs to be fa stened to make the warning light
(warning buzzer) turn off.
Tire pressure warning light
Indicates the following:
• Low tire pressure due to flat tire;
• Low tire pressure due to natural causes; or
• The tire pressure warning system is malfunctioning
Immediately stop the vehicle in a safe place.
Handling method ( P. 6 3 8 )
Master warning light
A buzzer sounds and the warning light comes on and flashes to
indicate that the master warning system has detected a malfunc-
tion.
P. 6 4 1Warning light Warning light/Details/Actions
735Alphabetical index
RX350_U_OM48E90U Coolant
Capacity ................................................ 678
Checking............................................... 578
Preparing and checking
before winter ................................... 380
Cooling system ..................................... 578
Engine overheating.......................... 668
Cornering lights .................................... 242
Cruise control
Cruise control......................................326
Dynamic radar cruise control....... 314
Dynamic radar cruise control
with full-speed range ................... 302
Cup holders ..............................................514
Curtain shield airbags ........................... 37
Customizable features ....................... 699
Customized mode ............................... 369
Daytime running light system .......... 243
Defogger
Outside rear view mirrors ............ 500
Rear window .......................................500
Windshield ........................................... 500
Differential ............................................... 679
Dimension ............................................... 674
Dinghy towing..........................................219
Display
Dynamic radar cruise control....... 314
Dynamic radar cruise control
with full-speed range ................... 302
LDA (Lane Departure Alert
with steering control) ................... 297
LKA (Lane-Keeping Assist) ........ 288
Multi-information display ..................89
Warning messages............................ 641 Do-it-yourself maintenance............. 570
Doors
Automatic door locking and
unlocking system.............................. 127
Door lock................................................. 126
Outside rear view mirrors .............. 173
Power back door ............................... 130
Rear door child-p rotectors ............ 127
Side doors ............................................... 124
Side windows ........................................ 177
Drive information .....................................93
Drive-start control .......... 193, 227, 232
Driver’s seat belt reminder light .... 636
Driver’s seat position memory.......... 162
Driving
Break-in tips ...........................................194
Correct posture .................................... 28
Driving mode select switch .......... 369
Procedures ............................................. 192
Winter drive tips ............................... 380
Driving position memory .................... 162
Memory recall function ....................165
Dynamic radar cruise control ........... 314
Dynamic radar cruise control
with full-speed range....................... 302
Dynamic Torque Control AWD
system .....................................................375D
737Alphabetical index
RX350_U_OM48E90U Flat tire ...................................................... 646
Floor mats ................................................... 26
Fluid
Automatic transmission ..................679
Brake ....................................................... 680
Washer .................................................. 583
Fog lights
Replacing light bulbs ......................... 610
Switch....................................................... 249
Front passenger footwell hooks ..... 533
Front passenger occupant
classification system ............................ 49
Front passenger’s seat belt
reminder light ..................................... 636
Front seat heaters................................. 506
Front seats .................................................152
Adjustment ............................................. 152
Cleaning .................................................. 561
Correct driving posture .................... 28
Driving position memory ................ 162
Head restraints ......................................167
Power easy access system ............ 162
Seat heaters ......................................... 506
Seat position memory....................... 162
Front side marker lights
Light switch .............................................241
Replacing light bulbs ......................... 610
Wattage ................................................. 682 Front turn signal lights
Replacing light bulbs ........................ 610
Turn signal lever ................................. 234
Wattage ................................................. 682
Fuel
Capacity ................................................. 676
Fuel gauge ............................................... 85
Information............................................683
Refueling ................................................258
Type.......................................................... 676
Fuel filler door........................................ 258
Refueling ................................................258
When the fuel filler door
cannot be opened ......................... 260
Fuses.......................................................... 605
Garage door opener.......................... 536
Gauges........................................................ 85
Glove box ................................................. 513
Grocery bag hooks............................... 519F
G