
498 6-2. Using the air conditio ning system and defogger
RX350_U_OM48E90U ■
Option control screen
Select on the air conditioning control screen to display the option
control screen. The functions can be switched on and off.
■
Side display operation screen (Vehicle s with a navigation system [12.3-inch
display])
Select the air flow mode
Adjust the left-hand side temper-
ature setting
Adjust the fan speed setting
Adjust the right-hand side tem-
perature setting
Select to set auto mode on/off
Select to set cooling and dehu-
midification function on/off
Adjust the temperature for driver and passenger seats separately (“DUAL”
mode) ( P. 4 9 9 )
Lexus Display Audio screen
Navigation system screen
Prevent ice from building up on th e windshield and wiper blades (if
equipped) ( P. 5 0 0 ) 1
1
2
3
4
5
6
7

4996-2. Using the air conditioning system and defogger
6
Interior features
RX350_U_OM48E90U ■
Using the automatic mode
Press the “AUTO” button or select “AUTO” on the air conditioning control
screen.
Press to switch to automatic air intake mode. (if equipped)
The air conditioning system automati cally switches between outside air
and recirculated air modes.
Adjust the temperature setting.
To stop the operation, press the “OFF” button.■
Automatic mode indicator
If the fan speed setting or air flow modes are operated, the automatic mode
indicator goes off. However, automati c mode for functions other than that
operated is maintained. ■
Adjusting the temperature for driver and passenger seats separately
(“DUAL” mode)
To turn on the “DUAL” mode, perform any of the following procedures: ●
Select “DUAL” on the air co nditioning control screen.●
Select “DUAL” on the side display operation screen.(Vehicles with a navi-
gation system [12.3-inch display]) ●
Adjust the temperature setting of the passenger side with the passenger
side temperature adjustment button. The indicator comes on when the “DUAL” mode is on.
■
Switching between outside air and recirculated air modes
Ty p e A
Press . The mode switches between (recirculated air mode) and (outside
air mode) modes each time the button is pressed.Air conditioning controls
Other functions 1
2
3
4

5056-2. Using the air conditioning system and defogger
6
Interior features
RX350_U_OM48E90UHeated steering wheel
/seat heaters
/seat ventila-
tors
: If equippedHeated steering wheel and seat heater s heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from the seats. WA R N I N G ●
Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel an d 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 (s leeping 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 battery discharge, do not use the functions when the engine is off.

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.

5677-2. Maintenance
7
Maintenance and care
RX350_U_OM48E90U * : Vehicles with sing le-beam headlightsVehicle interior Items Check points
Accelerator pedal • The accelerator pedal should move smoothly (with-
out uneven pedal effort or catching).
Automatic transmission
“Park” mechanism • When parked on a slope and the shift lever is in P, is
the vehicle securely stopped?
Brake pedal • Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clearance
from the floor? ( P. 6 8 0 )
• Does the brake pedal have the correct amount of
free play? ( P. 6 8 0 )
Brakes • The vehicle should not pull to one side when the
brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor
when the brakes are applied.
Head restraints • Do the head restraints move smoothly and lock
securely?
Indicators/buzzers • Do the indicators and buzzers function properly?
Lights • Do all the lights come on?
• Are the headlights aimed correctly?
* ( P. 6 0 8 )
Parking brake • Does the parking brake switch operate normally?
• When parked on a slope and the parking brake is on,
is the vehicle securely stopped?
Seat belts •Do the seat belt s operate smoothly?
• The seat belts should not be damaged.
Seats • Do the seat controls operate properly?
Steering wheel • Does the steering wheel rotate smoothly?
• Does the steering wheel have the correct amount of
free play?
• There should not be an y strange sounds coming
from the steering wheel.

6939-1. Specifications
9
Vehicle specifications
RX350_U_OM48E90U Glossary of tire terminology Tire related term Meaning
Cold tire inflation pressure Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more than 1
mile or 1.5 km un der that condition
Maximum inflation pres-
sure The maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressure Cold tire inflation pressure recommended by a manu-
facturer
Accessory weight The combined weight (in excess of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight The weight of a motor vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning and additional
weight optional engine
Maximum loaded vehicle
weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight 150 lb. (68 kg) times the numb er of occupa nts specified
in the second column of Table 1
* that follows
Occupant distribution Distribution of occupants in a vehicle as specified in the
third column of Table 1
* below

734 Alphabetical index
RX350_U_OM48E90U BSM (Blind Spot Monitor)................ 355
Blind Spot Monitor function ........ 359
Rear Cross Traffic Alert
function ................................................363
Care
Aluminum wheels ..............................557
Exterior................................................... 556
Interior ...................................................... 561
Seat belts ................................................562
Self-restoring coat ............................ 556
Cargo capacity...........................200, 674
Cargo hooks ........................................... 518
Cargo net hooks .................................... 518
CD player ................................................ 422
Chains ........................................................ 381
Child restraint system............................ 57
Booster seats installation...................66
Convertible seats installation .......... 64
Front passenger occupant
classification system ......................... 49
Infant seats definition ........................... 63
Infant seats installation ........................59
Installing CRS with LATCH
anchors ...................................................69
Installing CRS with seat belts .......... 63
Installing CRS with top tether
strap............................................................ 71
LATCH anchors ...................................69 Child safety .................................................56
Airbag precautions.............................. 39
Battery precautions ..............582, 667
Child restraint system......................... 57
How your child should
wear the seat belt ...............................32
Installing child restraints .................... 57
Moon roof precautions ....................184
Panoramic moon roof
precautions ........................................ 188
Power back door precautions......140
Power window lock switch............. 177
Power window precautions .......... 180
Rear door child-p rotectors ............ 127
Removed key battery
precautions .......................................604
Seat belt extender
precautions .......................................... 34
Seat belt precautions .......................... 34
Seat heater precautions ................ 505
Child-protectors .................................... 127
Cleaning ........................................ 556, 561
Aluminum wheels .............................. 557
Exterior ...................................................556
Interior .......................................................561
Seat belts................................................ 562
Clock ................................................. 85, 524
Coat hooks ............................................. 535
Compass ................................................. 543
Condenser ...............................................579
Console box ............................................. 513
Consumption screen ..................... 93, 113C

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