2021 LEXUS RC300 spare tire

3348-1. Specifications
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent oil of
matching quality to satisfy th e above specification. Please contact your Lexus dealer for
further details.
*: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N, 51.0 kgf)
while the engine is running.
Type A
Brakes
Pedal clearance*
RC350 AWD/RC300 AWD
4.5 in. (115 mm) Min.
RC350/RC300
4.1 in. (104 mm) Min.
Pedal free play0.04 0.24 in. (1.0 6.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No.116 DOT 3, or SAE
J1704 or FMVSS No.116 DOT 4 brake fluid
Steering
Free playLess than 1.2 in. (30 mm)
Tires and wheels
Tire size235/45R18 94Y, T155/70D17 110M (spare)
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Spare: 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 3 psi (20 kPa, 0.2 kgf/cm
2 or bar) to the front tires, 6
psi (40 kPa, 0.4 kgf/cm
2 or bar) to the rear tires. Never
exceed the maximum co ld tire inflation pressure indicated
on the tire sidewall.

3358-1. Specifications
8
Vehicle specifications
Type B
Type C
Wheel size18  8J, 17  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size235/45R18 94Y, T145/70D18 107M (spare)
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Spare: 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 3 psi (20 kPa, 0.2 kgf/cm
2 or bar) to the front tires, 6
psi (40 kPa, 0.4 kgf/cm
2 or bar) to the rear tires. Never
exceed the maximum co ld tire inflation pressure indicated
on the tire sidewall.
Wheel size18  8J, 18 4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire sizeP235/45R18 94V, T155/70D17 110M (spare)
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Spare: 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 3 psi (20 kPa, 0.2 kgf/cm
2 or bar) to the front tires, 6
psi (40 kPa, 0.4 kgf/cm
2 or bar) to the rear tires. Never
exceed the maximum co ld tire inflation pressure indicated
on the tire sidewall.
Wheel size18  8J, 17  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

3368-1. Specifications
Type D
Type E
Tire sizeP235/45R18 94V, T145/70D18 107M (spare)
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Spare: 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 3 psi (20 kPa, 0.2 kgf/cm
2 or bar) to the front tires, 6
psi (40 kPa, 0.4 kgf/cm
2 or bar) to the rear tires. Never
exceed the maximum co ld tire inflation pressure indicated
on the tire sidewall.
Wheel size18  8J, 18  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size235/40R19 96V, T155/70D17 110M (spare)
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 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 6 psi (40 kPa, 0.4 kgf/cm
2 or bar) to the front tires, 8
psi (50 kPa, 0.5 kgf/cm
2 or bar) to the rear tires. Never
exceed the maximum co ld tire inflation pressure indicated
on the tire sidewall.
Wheel size19  8J, 17  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

3378-1. Specifications
8
Vehicle specifications
Type F
Type G
Tire size235/40R19 96V, T145/70D18 107M (spare)
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 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 6 psi (40 kPa, 0.4 kgf/cm
2 or bar) to the front tires, 8
psi (50 kPa, 0.5 kgf/cm
2 or bar) to the rear tires. Never
exceed the maximum co ld tire inflation pressure indicated
on the tire sidewall.
Wheel size19  8J, 18  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size
Front tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T155/70D17 110M
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 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 6 psi (40 kPa, 0.4 kgf/cm
2 or bar) to the front tires.
Never exceed the maximum cold tire inflation pressure
indicated on the tire sidewall.
Wheel size
Front wheels: 19  8J
Rear wheels: 19  9J
Spare wheel: 17  4T
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

3388-1. Specifications
Type H
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)
Tire size
Front tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T145/70D18 107M
Tire inflation pressure (Rec-
ommended cold tire inflation
pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 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 6 psi (40 kPa, 0.4 kgf/cm
2 or bar) to the front tires.
Never exceed the maximum cold tire inflation pressure
indicated on the tire sidewall.
Wheel size
Front wheels: 19  8J
Rear wheels: 19  9J
Spare wheel: 18  4T
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Light bulbs
Light bulbsBulb No.WType
ExteriorRear turn signal lights21A
Interior
Vanity lights8B
Footwell lights1943.8B
Trunk light5B

3428-1. Specifications
Compact spare tireTire size ( P.343)
DOT and Tire Identification Number (TIN) ( P.342)
Location of treadwear indicators ( P.265)
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands which form the plies
in a 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.345)
Maximum cold tire inflation pressure ( P.345)
This means the pressure to which a tire may be inflated.
“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
A
B
C
D
E
F
G
H
Typical DOT and Tire Identifica-
tion Number (TIN)

384What to do if... (Troubleshooting)
Stop the vehicle in a safe place and
replace the flat tire with the spare
tire. ( P.307)
 Try the procedure for when the vehi-
cle becomes stuck in mud, dirt, or
snow. ( P.326)
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

388Alphabetical Index
If the engine will not start .........................314
If your vehicle has to be stopped in an
emergency ................................................286
Ignition switch (engine switch) ............. 127
Overheating................................................. 322
Tachometer ..................................................... 66
Engine coolant Capacity ......................................................... 332
Checking .......................................................260
Preparing and checking before winter.........................................................................205
Engine coolant temperature gauge ....... 66
Engine immobilizer system ........................ 56
Engine oil Capacity .........................................................330
Checking .......................................................258
Preparing and checking before winter.........................................................................205
Warning light ............................................... 296
Engine oil maintenance data .................. 260
Engine oil pressure gauge ...........................74
Engine oil temperature gauge ...................74
Engine switch .................................................. 127 Auto power off function .......................... 130
Changing the engine switch modes.. 129
If your vehicle has to be stopped in an
emergency ................................................286
EPS (Electric Power Steering) ................201 Warning light ............................................... 297
Event data recorder (EDR) ............................6
F
First-aid kit storage belt ............................ 229
Flat tire Tire pressure warning system .............268
Vehicles with a spare tire ...................... 307
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 333
Brake.................................................... 262, 334
Washer ........................................................... 264
Footwell light ................................................. 225 Front passenger occupant classification
system .............................................................. 36
Front position lights Wattage ......................................................... 338
Front seats Adjustment ....................................................... 99
Cleaning .........................................................245
Correct driving posture ............................ 23
Driving position memory ........................ 102
Head restraints............................................. 105
Memory recall function............................ 104
Power easy access system .................... 102
Seat heaters .................................................. 223
Seat position memory .............................. 102
Seat ventilators ............................................ 223
Front side marker light Light switch .....................................................142
Front turn signal lights Replacing light bulbs ................................282
Turn signal lever .......................................... 136
Wattage ......................................................... 338
Fuel Capacity ........................................................ 330
Fuel gauge ........................................................ 66
Fuel pump shut off system..................... 294
Information ....................................................339
Refueling.......................................................... 155
Type ................................................................. 330
Warning light ...............................................299
Fuel consumption Average fuel economy .............................. 73
Current fuel consumption ........................ 73
Fuel filler door If the fuel filler do or cannot be opened
........................................................................... 316
Refueling.......................................................... 155
Fuel gauge ......................................................... 66
Fuel pump shut off system........................ 294
Fuses ................................................................. 278
G
Garage door opener ................................. 232