2020 LEXUS RC300 tire pressure

3388-1. Specifications
Intended outboard sidewall
(a) The sidewall that contains a whitewall, bears
white lettering, or bears manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other sidewall
of the tire, or
(b) The outward facing sidewall of an asymmetrical
tire that has a particular side that must always face
outward when mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as primarily
intended for use on lightwe ight trucks or multipur-
pose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry for a
given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum permissi-
ble inflation pressure for that tire
Maximum permissible inflation pres-
sureThe maximum cold inflation pressure to which a tire
may be inflated
Measuring rimThe rim on which a tire is fitted for physical dimen-
sion requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of the
sidewalls of an inflated tire, including elevations due
to labeling, decorations, or protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars, multipur-
pose passenger vehicles, and trucks, that have a
gross vehicle weight rating (GVWR) of 10,000 lb.
or less.
PlyA layer of rubber-c oated parallel cords
Ply separationA parting of rubber compound between adjacent
plies
Pneumatic tire
A mechanical device made of rubber, chemicals,
fabric and steel or other materials, that, when
mounted on an automotive wheel, provides the
traction and contains the gas or fluid that sustains
the load
Tire related termMeaning

3398-1. Specifications
8
Vehicle specifications
*: Table 1 - Occupant loading and distribution for vehicle normal load for various desig-
nated seating capacities
Radial ply tire
A pneumatic tire in which the ply cords that extend
to the beads are laid at su bstantially 90 degrees to
the centerline of the tread
Reinforced tire
A tire designed to operat e at higher loads and at
higher inflation pressures than the corresponding
standard tire
Section width
The linear distance between the exteriors of the
sidewalls of an inflated tire, excluding elevations
due to labeling, decoration, or protective bands
SidewallThat portion of a tire between the tread and bead
Sidewall separationThe parting of the rubber compound from the cord
material in the sidewall
Snow tire
A tire that attains a traction index equal to or
greater than 110, compared to the ASTM E-1136
Standard Referenc e Test Tire, when using the snow
traction test as described in ASTM F-1805-00,
Standard Test Method fo r Single Wheel Driving
Traction in a Straight Line on Snow-and Ice-Cov-
ered Surfaces, and which is marked with an Alpine
Symbol ( ) on at least one sidewall
Test rimThe rim on which a tire is fitted for testing, and may
be any rim listed as appropriate for use with that tire
TreadThat portion of a tire that comes into contact with
the road
Tread ribA tread section running ci rcumferentially around a
tire
Tread separationPulling away of the tread from the tire carcass
Treadwear indicators (TWI)
The projections within the principal grooves
designed to give a visual indication of the degrees
of wear of the tread
Wheel-holding fixtureThe fixture used to hold the wheel and tire assembly
securely during testing
Tire related termMeaning

3518-3. Items to initialize
8
Vehicle specifications
8-3.Items to initialize
Items to initialize
The following items must be initialized for normal system operation after such
cases as the battery being reconnected, or maintenance being performed on
the vehicle:
List of items to initialize
ItemWhen to initializeReference
Message indicating
maintenance is
required (U.S.A. only)
After the maintenance is performedP.240
Engine oil mainte-
nance dataAfter changing the engine oilP.252
Tire pressure warning
system
• When rotating the tires
• When changing the tire inflation pres- sure by changing traveling speed or
load weight, etc.
P.262

3598-4. Certifications
8
Vehicle specifications
Tire pressure warning system

378Alphabetical Index
Ignition switch (engine switch) .............125
Overheating.................................................... 311
Tachometer ..................................................... 64
Engine coolant Capacity ........................................................... 321
Checking ....................................................... 252
Preparing and checking before winter.......................................................................... 198
Engine coolant temperature gauge ....... 64
Engine immobilizer system ........................ 56
Engine oil Capacity ......................................................... 320
Checking .......................................................250
Preparing and checking before winter.......................................................................... 198
Warning light ...............................................285
Engine oil maintenance data .................. 252
Engine oil pressure gauge ...........................72
Engine oil temperature gauge ...................72
Engine switch ..................................................125 Auto power off function ...........................128
Changing the engine switch modes.. 127
If your vehicle has to be stopped in an
emergency ................................................ 276
EPS (Electric Power Steering) ................194 Warning light ...............................................286
Event data recorder (EDR) ............................6
F
First-aid kit storage belt .............................. 221
Flat tire Tire pressure warning system .............260
Vehicles with a spare tire ...................... 296
Floor mats ...........................................................22
Fluid Automatic transmission .......................... 322
Brake.................................................... 254, 323
Washer ........................................................... 256
Footwell light ................................................... 217
Front passenger occupant classification system .............................................................. 36 Front position lights
Wattage ..........................................................328
Front seats Adjustment ....................................................... 97
Cleaning ......................................................... 237
Correct driving posture ............................ 23
Driving position memory ........................ 100
Head restraints............................................. 103
Memory recall function............................ 102
Power easy access system .................... 100
Seat heaters ....................................................214
Seat position memory ..............................100
Seat ventilators ..............................................214
Front side marker light Light switch .....................................................137
Front turn signal lights Replacing light bulbs ................................ 272
Turn signal lever ...........................................134
Wattage ..........................................................328
Fuel Capacity .........................................................320
Fuel gauge ........................................................ 64
Fuel pump shut off system.....................283
Information ....................................................329
Refueling.......................................................... 149
Type ..................................................................320
Warning light .............................................. 288
Fuel consumption Average fuel economy ................................ 71
Current fuel consumption .......................... 71
Fuel filler door If the fuel filler do or cannot be opened
......................................................................... 305
Refueling.......................................................... 149
Fuel gauge ......................................................... 64
Fuel pump shut off system........................ 283
Fuses ................................................................. 269
G
Garage door opener ................................. 224
Gauges ............................................................... 64
Gear Position ....................................................73

379Alphabetical Index
G-force................................................................72
Glove box .........................................................219
Glove box light ............................................. 220
H
Head restraints .............................................. 103
Headlight aim .................................................. 271
HeadlightsAutomatic High Beam system..............139
Light switch ..................................................... 137
Replacing light bulbs.................................272
Wattage.......................................................... 328
Heated steering wheel ................................ 214
Heaters Automatic air conditioning system ... 207
Heated steering wheel.............................. 214
Outside rear view mirrors ........................211
Seat heaters .................................................... 214
High mounted stoplight Replacing light bulbs.................................272
Hill-start assist control .................................194
Hood Open ............................................................... 247
Hooks Cargo hooks.................................................. 221
Coat hooks ....................................................222
Retaining hooks (floor mat)......................22
Horn ....................................................................107
I
I/M test ............................................................ 244
Identification Engine ...............................................................319
Vehicle ............................................................. 318
Ignition switch (engine switch).................125 Auto power off function ...........................128
Changing the engine switch modes.. 127
If your vehicle has to be stopped in an
emergency ................................................ 276
Illuminated entry system .............................218
Indicators ........................................................... 62 Initialization
Items to initialize .......................................... 351
Maintenance.....................................240, 252
Power windows ............................................. 110
Tire pressure warning system ............. 262
Inside rear view mirror ................................107
Instrument panel light control ................... 69
Intercooler...................................................... 254
Intercooler coolant Capacity ...........................................................321
Checking ....................................................... 252
Interior lights.................................................... 217 Front interior light ........................................ 217
Rear interior light.......................................... 217
Intuitive parking assist Warning message ...................................... 180
J
JackPositioning a floor jack ............................ 247
Vehicle-equipped jack ...........................296
Jack handle .................................................... 296
Jam protection function Moon roof ........................................................ 113
Power windows ............................................. 110
K
Keyless entrySmart access system with push-button start ................................................................... 93
Wireless remote control ...........................84
Keys Battery-saving function.............................. 94
Electronic key ................................................. 82
Engine switch ................................................ 125
If the electronic key does not operate properly ...................................................... 306
If you lose your keys ................................ 305
Key number plate ......................................... 82
Keyless entry ..........................................86, 93
Mechanical key .............................................. 82

381Alphabetical Index
Moon roofDoor lock linked moon roof operation............................................................................ 113
Jam protection function............................. 113
Operation..........................................................112
Multi-information display ............................ 69 Audio system-linked display....................74
Boost gauge.....................................................72
Drive information ............................................ 71
Drive information 1/Drive information 2/Drive information 3............................... 71
Driving assist system information display .............................................................................74
Dynamic radar cruise control ...............170
Eco Driving Indicator ..................................72
Engine oil pressure gauge ........................72
Engine oil temperature gauge ................72
Gear Position ..................................................73
G-force...............................................................72
LDA (Lane Departure Alert with steering control) ......................................................... 165
Menu icons ...................................................... 70
Meter control switches .............................. 70
Navigation system-linked display .........74
Settings ...............................................................74
Tire pressure ....................................... 73, 260
Units .....................................................................73
Vehicle sway warning .................................73
Warning message display ........................74
Warning messages .................................. 292
N
Navigation system-linked display.............74
Noise from under vehicle .............................. 5
O
“ODO TRIP” switch ...................................... 68
Odometer ......................................................... 68
Odometer and trip meter display “ODO TRIP” switch .................................... 68 Oil
Engine oil........................................................320
Front differential oil............. ....................... 323
Rear differential oil......... ..................... ....... 323
Opener Fuel filler door ............................................... 149
Hood ................................................................ 247
Trunk ...................................................................90
Outer foot lights Location ............................................................ 217
Outside rear view mirrors Adjustment ..................................................... 108
BSM (Blind Spot Monitor)..................... 184
Folding.............................................................. 109
Linked mirror functi on when reversing
........................................................................... 109
Mirror position memory ..........................100
Outside rear view mirror defoggers .. 211
RCTA function ............................................. 184
Outside temperature.................................... 64
Overheating ..................................................... 311
P
Paddle shift switches ........................... 131, 132
Panic mode ....................................................... 84
Parking brake Operation ....................................................... 135
Parking brake engaged warning buzzer........................................................................... 135
Warning light .............................................. 286
Warning message ...................................... 135
Parking lights Light switch .....................................................137
Replacing light bulbs ................................ 272
PCS (Pre-Collision System) Function ........................................................... 156
PCS OFF switch ......................................... 158
Warning light ...............................................287
Warning message ..................................... 292
Personal lights................................................. 217

384Alphabetical Index
Instrument panel light control switches............................................................................ 69
Light switches ................................................ 137
Moon roof switches .....................................112
“ODO TRIP” switch .................................... 68
Outside rear view mirror switches .... 108
Paddle shift switches ......................... 131, 132
PCS OFF switch ......................................... 158
Power door lock switch ............................88
Power window switches ........................... 110
Rear window and outside rear view mir- ror defoggers switch ............................ 207
Seat heater switches .................................. 214
Seat ventilator switches ............................ 214
Snow mode switch ...................................... 131
“SOS” button .................................................. 52
Tilt and telescopic steering control switch .......................................................................... 106
Tire pressure warning reset switch .. 262
Trunk opener main switch ....................... 92
Trunk opener switch ................................... 90
VSC OFF switch ........................................ 195
Window lock switch ..................................... 111
Windshield wiper and washer switch142
Windshield wiper de-icer switch ..........211
T
Tachometer....................................................... 64 Rev indicator ................................................... 67
Rev peak ........................................................... 67
Tail lights Light switch ..................................................... 137
Replacing light bulbs.................................272
Wattage.......................................................... 328
Theft deterrent system Alarm .................................................................. 57
Engine immobilizer system ..................... 56
Theft prevention labels...............................58
Tire inflation pressure Maintenance data...................................... 324
Tire inflation pressu re display function
.........................................................................260 Warning light .............................................. 289
Tire information ..............................................331 Glossary .........................................................335
Size ....................................................................333
Tire identification number...................... 332
Uniform Tire Quality Grading ............334
Tire infration pressure ...................................73
Tire pressure display ... ............................... 260
Tire pressure warning system Function ......................................................... 260
Initializing........................................................ 262
Installing tire pres sure warning valves
and transmitters.........................................261
Registering ID codes ...............................263
Warning light .............................................. 289
Tires Chains .............................................................. 199
Checking ....................................................... 257
If you have a flat tire ..................................296
Inflation pressure ........................................263
Information ..................................................... 331
Replacing .......................................................296
Rotating tires ................................................259
Size .................................................................... 324
Snow tires ....................................................... 198
Spare tire ........................................................296
Tire inflation pressure display function......................................................................... 260
Tire pressure warning system ............ 260
Warning light .............................................. 289
Tools.................................................................. 296
Top tether strap.........................................41, 49
Total load capacity ....................................... 318
Towing Dinghy towing ...............................................124
Emergency towing.................................... 279
Towing eyelet................................................ 281
Trailer towing .................................................124
TRAC (Traction Control) ..........................194
Traction Control (TRAC) ..........................194
Trailer towing .................................................. 124