Page 369 of 528
3696-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)_(OM35B37U)
Check if the treadwear indicators are showing on the tires. Also check
the tires for uneven wear, such as excessive wear on one side of the
tread.
Check the spare tire condition and pressure if not rotated.
New tread
Worn tread
Treadwear indicator
The location of treadwear indicators is shown by a “TWI” or “ Δ” mark,
etc., molded into the sidewall of each tire.
Replace the tires if the treadwear indicators are showing on a tire.
Tires
Replace or rotate tires in accordance with maintenance sched-
ules and treadwear.
Checking tires
1
2
3
Page 423 of 528

4237-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)■
If the tire pressure warning system is not functioning
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition be
comes normal, the system will work properly.)
●If tires not equipped with tire pressure warning valves and transmitters
are used
●If the ID code on the tire pressure warning valves and transmitters is not
registered in the tire pressure warning computer
●If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or
higher
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies are
nearby
●If a radio set at a similar frequency is in use in the vehicle
●If a window tint that affects the radio wave signals is installed
●If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings
●If non-genuine Toyota wheels are us ed (Even if you use Toyota wheels,
the tire pressure warning system may not work properly with some types
of tires.)
●If tire chains are used
●Vehicles with P245/60R20 tires: If the spare tire is in a location subject
to poor radio wave signal reception
●Vehicles with P245/60R20 tires: If a large metallic object which can
interfere with signal reception is put in the luggage compartment
■If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned on, have it checked by your
Toyota dealer.
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features →P. 489) However, Toyota recommends that the seat
belt reminder buzzer be operational to alert the driver and front passenger
when seat belts are not fastened.
Page 434 of 528
4347-2. Steps to take in an emergency
4RUNNER (U)_(OM35B37U)
Spare tire
Jack
Tool bag
Location of the spare tire, jack and tools
1
2
3
Page 524 of 528

524Alphabetical index
4RUNNER (U)_(OM35B37U)
Safety Connect ........................ 331
Seat belt reminder light........... 420
Seat belts.................................... 30Adjusting the seat belt ............ 30
Automatic Locking
Retractor (ALR) .................... 31
Child restra int system
installation ............................ 62
Cleaning and maintaining the seat belt ........................ 342
Emergency Locking Retractor (ELR) .................... 31
How to wear your seat belt ..... 30
How your child should wear
the seat belt .......................... 31
Pregnant women, proper
seat belt use ......................... 32
Reminder light and buzzer .... 420
Seat belt extender................... 31
Seat belt pretensioners ........... 31
SRS warning light ................. 418
Seat heaters ............................. 295
Seat position memory ............. 133
Seat ventilators ........................ 295
Seating capacity ...................... 175
Seats ................................. 120, 123
Adjustment .................... 120, 123
Adjustment precautions ................. 122, 132
Child seats/child restraint system installation ................ 57
Cleaning................................ 341
Driving position memory ....... 133
Head restraints ..................... 137
Properly sitting in the seat ...... 28
Seat heaters ......................... 295
Seat position memory ........... 133
Seat ventilators ..................... 295 Sensor
Automatic headlight
system .......... ...................... 212
Inside rear view mirror .......... 143
Intuitive parking assist .......... 229
Service reminder indicators ..... 76
Shift lever ................................. 201 Automatic transmission ........ 201
If the shift lever
cannot be shifted from P .... 204
Shift lock system ..................... 203
Side airbags ............................... 35
Side marker lights ................... 208 Light switch ........................... 208
Replacing light bulbs ............ 396
Wattage ................................ 473
Side mirrors ............................. 144
Adjusting and folding ............ 144
Side turn signal lights ............. 206
Slide deck................................. 310
Smart key system .................... 104 Antenna location ................... 104
Entry functions ........................ 97
Starting the engine ............... 196
Snow tires ................................ 275
Spare tire .................................. 433 Inflation pressure .................. 472
Storage location.................... 434
Spark plug ................................ 468
Specifications .......................... 462
Speedometer.............................. 81
Steering lock ............................ 198 Column lock release ............. 199
Steering lock system
warning message ............... 432
Steering wheel ......................... 140
Adjustment............................ 140
Storage feature ........................ 300
Storage precautions................ 173
S