2021 TOYOTA 4RUNNER tire pressure

5398-1. Specifications
8
Vehicle specifications
4RUNNER (U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
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 under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic 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
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below

5418-1. Specifications
8
Vehicle specifications
4RUNNER (U)
Bias ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially 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
compounds
CrackingAny parting within the tread, sidewall, or inner-
liner of the tire extending to cord material
CT
A pneumatic tire with an inverted flange tire
and rim system in which the rim is designed
with rim flanges pointed radially inward and
the tire is designed to fit on the underside of
the rim in a manner that encloses the rim
flanges inside the air cavity of the tire
Extra load tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
GrooveThe space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating medium
within the tire
Innerliner separationThe parting of the innerliner from cord material
in the carcass
Intended outboard
sidewall
(a) The sidewall that contains a whitewall,
bears white lettering, or bears manufac-
turer, 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 asym- metrical tire that has a particular side that
must always face outward when mounted
on a vehicle
Tire related termMeaning

5428-1. Specifications
4RUNNER (U)
Light truck (LT) tire
A tire designated by its manufacturer as pri-
marily intended for use on lightweight trucks
or multipurpose 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 per-
missible inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which
a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension 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 ele-
vations due to labeling, decorations, or protec-
tive bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose passenger vehicles, and trucks,
that have a gross vehicle weight rating
(GVWR) of 10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between adja-
cent plies
Pneumatic tire
A mechanical device made of rubber, chemi-
cals, fabric and steel or other materials, that,
when mounted on an automotive wheel, pro-
vides the traction and co ntains the gas or fluid
that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at substantially 90
degrees to the centerline of the tread
Reinforced tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
Tire related termMeaning

558
4RUNNER (U)
8-3. Items to initialize
Items to initialize
The following item must be initialized for normal system opera-
tion after such cases as the battery being reconnected, or main -
tenance being performed on the vehicle:
ItemWhen to initializeReference
Message indicating mainte-
nance is requiredAfter the maintenance is per-
formedP. 399
Tire pressure warning sys-
tem
• When the tire inflation pres- sure is changed such as
when changing traveling
speed or load weight
• When the tire inflation pres-
sure is changed such as
when the tire size is
changed
• When rotating the tires
• After performing the trans- mitter ID code registration
procedure
P. 425

588Alphabetical index
4RUNNER (U)
Seats ................................. 136, 139Adjustment .................... 136, 139
Adjustment
precautions ................. 138, 148
Child seats/child restraint
system installation . ............... 57
Cleaning................................ 395
Driving position memory ....... 149
Head restraints ..................... 153
Properly sitting in the seat ...... 28
Seat heaters ......................... 355
Seat position memory ........... 149
Seat ventilators ..................... 355
Sensor
Automatic headlight system ......... ....................... 228
Inside rear view mirror .......... 159
Intuitive parking assist .......... 285
Service reminder indicators ..... 82
Shift lever ................................. 218 Automatic transmission......... 218
If the shift lever cannot be shifted from P .... 221 Shift lock system ..................... 220
Side airbags ............................... 35
Side marker lights ................... 225
Light switch ........................... 225
Replacing light bulbs ............ 454
Wattage ................................ 529
Side mirrors ............................. 160 Adjusting and folding ............ 160
Side turn signal lights ............. 223
Slide deck................................. 370
Smart key system .................... 118 Antenna location ................... 118
Entry functions ...................... 110
Starting the engine ............... 212
Snow tires ................................ 332
Spare tire .................................. 489 Inflation pressure .................. 528
Storage location.................... 490
Spark plug ................................ 524
Specifications .......................... 520
Speedometer.............................. 88
Steering lock ............................ 215 Column lock release ............. 215
Steering lock system
warning message ............... 215
Steering wheel ......................... 156 Adjustment............................ 156
Storage feature ........................ 360
Storage precautions................ 189
Stuck If the vehicle becomes stuck ................................... 517
Sun visors ................................ 372

589Alphabetical index
4RUNNER (U)
SwitchesAutomatic High Beam
switch ................................. 230
Cruise control switch............. 272
Door lock switches ................ 113
Driving position memory switches.............................. 149
Emergency flashers switch ... 462
Engine switch................ 209, 212
Fog light switch ..................... 234
Garage door opener
switches.............................. 384
Ignition switch ............... 209, 212
LDA (Lane Departure Alert) switch ................................. 264
Light switches ....................... 225
Moon roof switches ............... 170
Outside rear view mirror switches.............................. 160
Power back window
switch ................................. 166
Power door lock switch ......... 113
Power window switches ........ 162
Rear window and outside rear view mirror defoggers
switch ......................... 342, 349
Rear window wiper and
washer switch ..................... 239
Seat heater switches ............ 355
Seat ventilator switches ........ 355
“SOS” button ........................... 70
Telephone switches
*
VSC OFF switch ................... 322
Window lock switch............... 162
Windshield wipers and washer switch .............. 236 Tachometer ................................ 88
Tail lights.................................. 225
Light switch ........................... 225
Telephone switches
*
Theft deterrent system
Alarm ...................................... 79
Engine immobilizer system ..... 76
Tire inflation pressure............. 436 Maintenance data ................. 528
Warning light......................... 478
Tire information ....................... 533 Glossary ............................... 539
Size....................................... 535
Tire identification number ..... 534
Uniform Tire Quality Grading .............................. 537
Tire pressure warning system.................................... 424 Function ................................ 424
Installing tire pressure warning
valves and transmitters ...... 425
Registering ID codes ............ 426
Warning light......................... 478
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

590Alphabetical index
4RUNNER (U)
Tires .......................................... 422Chains................................... 331
Checking ............................... 422
If you have a flat tire ............. 489
Inflation pressure .................. 528
Information ............................ 533
Replacing .............................. 489
Rotating tires......................... 423
Size ....................................... 528
Snow tires ............................. 332
Spare tire .............................. 489
Tire pressure warning
system ......... ....................... 424
Warning light ......................... 478
Tools ......................................... 490
Top tether strap ......................... 66
Total load capacity .................. 191
Towing Dinghy towing ....................... 208
Emergency towing ................ 469
Trailer towing ........................ 192
Toyota Safety Sense P ............ 245 Automatic High Beam ........... 230
Dynamic radar cruise
control................................. 272
LDA (Lane Departure Alert)........ 264
PCS (Pre-Collision System)........ 254 TRAC (Traction Control) ......... 320
Trailer Sway Control ............... 320
Transmission ........................... 218
Trip information ......................... 88
Trip meters ................................. 88
Turn signal lights .................... 223
Replacing light bulbs .... 452, 456
Turn signal lever ................... 223
Wattage ................................ 529
USB port
*
Valet key ................................... 102
Vanity lights ............................. 372 Wattage ................................ 529
Vanity mirrors .......................... 372
Vehicle data recordings .............. 9
Vehicle identification number ................................... 521
Vehicle Stability Control (VSC) ...................................... 320
Ventilators
(seat ventilators) ................... 355
VSC (Vehicle Stability Control) .... 320
U
V

591Alphabetical index
4RUNNER (U)
Warning buzzersBrake system ....... ................. 474
Downshifting ......................... 221
Intuitive parking assist .......... 285
Key reminder ................ 210, 479
Lane departure alert function ............................... 265
Open door ............................. 476
Open moon roof reminder..... 479
Pre-collision warning............. 254
Seat belt reminder ................ 477
Warning lights............................ 83 ABS....................................... 475
Automatic running boards
indicator light ...................... 476
Brake override system .......... 477
Brake system ....... ................. 474
Center differential lock indicator light ...................... 476
Charging system ................... 474
Drive-Start Control ................ 477
Four-wheel drive indicator light ...................... 476
KDSS .................................... 476
LDA indicator ........................ 478
Low engine oil pressure ........ 474
Low fuel level ........................ 477
Low speed four-wheel drive indicator light ...................... 476
Malfunction indicator lamp .... 475
Master warning light...... 478, 484
Multi-terrain Select indicator light ...................... 476
Open door ............................. 476
PCS ...................................... 478
Power steering ...................... 476
Rear differential lock indicator light ...................... 475
Seat belt reminder light ......... 477 Slip indicator ......................... 475
SRS ...................................... 475
Tire pressure ........................ 478
Unengaged “Park” ................ 476
Warning messages.................. 484
Washer ..................................... 236
Checking............................... 420
Preparing and checking before winter ...................... 329
Switch ........................... 236, 239
Washing and waxing ............... 392
Weight
Cargo capacity...................... 191
Load limits ............................ 191
Weight .................................. 520
Wheels ...................................... 439 Replacing wheels ................. 439
Size....................................... 528
Window glasses ...................... 162
Window lock switch ................ 162
Windows................................... 162 Power back window .............. 166
Power windows..................... 162
Rear window defogger ..................... 342, 349
Washer ......................... 236, 239
Windshield wiper
de-icer ............................ 342, 350
Windshield wipers ........... 236, 239 Intermittent wiper .................. 236
Winter driving tips ................... 329
Wireless remote control key .......................................... 103
Locking/Unlocking ................ 110
Replacing the battery............ 443
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.