tire type LEXUS RX350 2022 User Guide

4378-1. Specifications
8
Vehicle specifications
Type B
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)
*1: Vehicles with single-beam headlights
*2: Vehicles without door trim ornament lights
Tire size235/55R20 102V, T165/90D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire
33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Rear tire
33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Spare tire
60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 11 psi (70 kPa, 0.7 kgf/cm
2 or bar) to the front and rear
tires. Never exceed the maximum cold tire inflation pres-
sure indicated on the tire sidewall.
Wheel size20  8J, 18  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Light bulbs
Light bulbsBulb No.WType
Exterior
Front side marker lights*1W5W5B
Front turn signal lights*17444NA28/8A
Rear turn signal lights*1WY21W21A
Back-up lights*192116B
InteriorDoor courtesy lights*25B
Vanity lights8B

4418-1. Specifications
8
Vehicle specifications
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire has a
tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure ( P.358)
Maximum cold tire inflation pressure ( P.436)
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires ( P.358)
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a summer tire.
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE ONLY” molded on its
sidewall. This tire is designed for temporary emergency use only.
Type A
DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification
mark
Tire size code
Manufacturer’s optional tire type
code (3 or 4 letters)
Manufacturing week
Manufacturing year
*: The DOT symbol certifies that the tire conforms to applicable Federal Motor
Vehicle Safety Standards.
Type B
DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification
mark
Manufacturer’s code
Manufacturing week
Manufacturing year
*: The DOT symbol certifies that the tire conforms to applicable Federal Motor
F
G
H
I
J
K
Typical DOT and Tire Identifica-
tion Number (TIN)
A
B
C
D
E
F
G
A
B
C
D
E
F

4458-1. Specifications
8
Vehicle specifications
RimA metal support for a tire or a tire and tube assem-
bly upon which the tire beads are seated
Rim diameter (Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim
by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight (Total load
capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle’s designated seating capacity
Vehicle maximum load on the tire
The load on an individual ti re that is determined by
distributing to each axle its share of the maximum
loaded vehicle weight, and dividing by two
Vehicle normal load on the tire
The load on an individual ti re that is determined by
distributing to each axle its share of curb weight,
accessory weight, and normal occupant weight
(distributed in accordance with Table 1
* below), and
dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separationA breakdown of the bond between components in
the bead
Bias ply tire
A pneumatic tire in which the ply cords that extend
to the beads are laid at alternate angles substan-
tially less than 90 degrees to the centerline of the
tread
CarcassThe tire structure, except tread and sidewall rubber
which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or sidewall
CordThe strands forming the plies in the tire
Cord separationThe parting of cords from adjacent rubber com-
pounds
Tire related termMeaning

479What to do if... (Troubleshooting)
Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever by
depressing the brake pedal with the engine
switch in IGNITION ON mode ( P.175)
It is locked automatically to prevent
theft of the vehicle. ( P.171)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( P.142)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.173)
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.396)
The parking brake indicator is on
Is the parking brake released? ( P.179)
Depending on the situation, other
types of warning buzzer may also
sound. (P.393, 402)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(P.67)
Do one of the following to stop the
alarms:
 Unlock the doors.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.402)
When a warning light turns on or a
warning message is displayed, refer
to P.393, 402.
The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

489Alphabetical Index
Head restraints ............................................. 132
Seat heaters .................................................. 297
Rear side marker lights Light switch .................................................... 184
Replacing light bulbs................................ 375
Rear turn signal lights Replacing light bulbs.................... 375, 379
Turn signal lever ...........................................178
Wattage.......................................................... 437
Rear view mirror Inside rear view mirror..............................136
Outside rear view mirrors ...................... 137
Rear window defogger ............................. 286
Rear window wiper.......................................194
Refueling Capacity ......................................................... 432
Fuel types....................................................... 432
If the fuel filler door cannot be opened......................................................................... 420
Opening the fuel tank cap ..................... 195
Remote Touch .............................................. 278
Replacing Electronic key battery..............................369
Fuses .................................................................. 371
Light bulbs..................................................... 374
Tires ..................................................................406
Resetting the message indicating mainte- nance is required ...................................... 342
Rev indicator .....................................................76
Rev peak.............................................................. 77
Road Sign Assist .......................................... 220
RSA (Road Sign Assist) ............................ 220
S
Seat belt reminder ligh t............................. 396
Seat belts............................................................ 26 Automatic Locking Retractor ................ 28
Child restraint system installation......... 46
Cleaning and maintaining the seat belt......................................................................... 339
Emergency Locking Retractor .............. 28
How to wear your seat belt ......................27 How your child should
wear the seat belt
............................................................................. 27
Pregnant women, proper seat belt use ............................................................................. 26
Reminder light and buzzer .................. 396
Seat belt extender......................................... 27
Seat belt pretensioners .............................. 29
SRS warning light.......................................394
Seat heaters ................................................... 297
Seat position memory..................................129
Seat ventilators ............................................. 297
Seating capacity............................................ 158
Seats Adjustment ...............................................117, 119
Adjustment precautions ................... 117, 118
Child seats/child restraint system installa-tion .................................................................... 45
Cleaning .........................................................339
Driving position memory .........................129
Folding down the rear seatbacks ......... 119
Head restraints..............................................132
Power easy access system .....................129
Properly sitting in the seat ........................ 25
Seat heaters .................................................. 297
Seat position memory ...............................129
Seat ventilators ............................................ 297
Sensor Automatic headlight system .................. 184
Automatic High Beam system ............. 187
Inside rear view mirror ............................. 136
Intuitive parking assist ..............................238
LTA (Lane Tracing Assist) ....................... 211
Parking Support Brake function (rear-crossing vehicles) ..................... 260
Parking Support Brake function (static objects) ....................................................... 258
Radar sensor ..................................... 198, 232
Rain-sensing windshield wipers ............ 191
RCTA............................................................... 246
Service reminder message ..................... 342
Shift lever Automatic transmission ............................174

504
GAS STATION INFORMATION
Auxiliary catch lever (P.349)
Fuel filler door ( P.196)
Hood lock release lever ( P.349)
Tire inflation pressure ( P.436)
Fuel tank capacity (Ref-
erence)19.2 gal. (72.5 L, 15.9 Imp. gal.)
Fuel typeUnleaded gasoline onlyP.432
P.438
Cold tire inflation pres-
sureP.436
Engine oil capacity
(Drain and refill  ref-
erence)
P.432
Engine oil typeP.432
A
B
C
D