phone TOYOTA 4RUNNER 2022 User Guide

4436-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)■
Situations in which the tire pressure warning system may not op
er-
ate properly
●In the following cases, the tire pressure warning system may no t operate
properly.
• If non-genuine Toyota wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equip-
ment) tire.
• A tire has been replac ed with a tire that is not of the specif ied size.
• Tire chains etc . are equipped.
• If a window tint that affects the radio wave signals is instal led.
• If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is extremely higher than the sp ecified
level.
• If the spare tire is in a location subject to poor radio wave signal
reception.
• If a large metallic object whic h can interfere with signal reception is
put near the spare tire.
• If tires not equipped with the tire pressure warning valves an d trans-
mitters are used.
• If the ID code on the tire pressure warning valves and transmi tters is
not registered in the tire pressure warning computer.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio stat ion, large
display, airport or other facilit y that generates strong radio waves or
electrical noise
• When carrying a portable radio, cellular phone, cordless phone or
other wireless communication device
●When the vehicle is parked, the time taken for the warning to s tart or go
off could be extended.
●When tire inflation pressure declines rapidly for example when a tire has
burst, the warning may not function.

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9
For owners
4RUNNER (U)
Reporting safety defects for Canadian owners
Canadian customers who wish to report a safety-related defect to
Transport Canada, Defects Investigations and Recalls, may tele-
phone the toll-free hotline 1-800-333-0510, mail Transport Cana da -
ASFAD, 330 Sparks Street, Ottawa, ON, K1A 0N5, or complete the
online form at https://www.tc.gc.ca/recalls .

601Alphabetical index
4RUNNER (U)
SwitchesAutomatic High Beam
switch ................................. 228
Cruise control switch............. 268
Door lock switches ................ 113
Driving position memory switches.............................. 148
Emergency flashers switch ... 474
Engine switch................ 207, 210
Fog light switch ..................... 232
Garage door opener
switches.............................. 396
Ignition switch ............... 207, 210
LDA (Lane Departure Alert) switch ................................. 260
Light switches ....................... 223
Moon roof switches ............... 169
Outside rear view mirror switches.............................. 159
Power back window
switch ................................. 165
Power door lock switch ......... 113
Power window switches ........ 161
Rear window and outside rear view mirror defoggers
switch ......................... 354, 361
Rear window wiper and
washer switch ..................... 237
Seat heater switches ............ 367
Seat ventilator switches ........ 367
“SOS” button ........................... 72
Telephone switches
*
VSC OFF switch ................... 335
Window lock switch............... 161
Windshield wipers and washer switch .............. 234 Tachometer ................................ 90
Tail lights.................................. 223
Light switch ........................... 223
Telephone switches
*
Theft deterrent system
Alarm ...................................... 80
Engine immobilizer system ..... 78
Tire inflation pressure............. 448 Maintenance data ................. 540
Warning light......................... 490
Tire information ....................... 545 Glossary ............................... 551
Size....................................... 547
Tire identification number ..... 546
Uniform Tire Quality Grading .............................. 549
Tire pressure warning system.................................... 437 Function ................................ 437
Installing tire pressure warning
valves and transmitters ...... 438
Registering ID codes ............ 439
Warning light......................... 490
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.