
1173-2. Opening, closing and locking the doors
3
Operation of each component
4RUNNER (U)■
Conditions affecting operation
The smart key system uses weak radio waves. In the following si tuations, the
communication between the electronic key and the vehicle may be affected,
preventing the smart key system, wireless remote control and en gine immobi-
lizer system from operating properly. (Ways of coping: P. 512)
● When the electronic key battery is depleted
● Near a TV tower, electric power plant, gas station, radio stati on, large dis-
play, airport or other facility that generates strong radio wav es or electrical
noise
● When carrying a portable radio, cellular phone, cordless phone or other
wireless communication device
● When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
● When multiple electronic keys are in the vicinity
● When other wireless keys (that emit radio waves) are being used nearby
● When carrying the electronic key together with the following devices that
emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
● If window tint with a metallic content or metallic objects are attached to the
back window
● When the electronic key is placed near a battery charger or ele ctronic
devices
● When the vehicle is parked in a pay parking spot where radio wa ves are
emitted.
If the doors cannot be locked/unlocked using the smart key syst em, lock/
unlock the doors by performing any of the following:
● Bring the electronic key close to either front door handle and operate the
entry function.
● Operate the wireless remote control.
If the doors cannot be locked/unlocked using the above methods, use the
mechanical key. ( P. 512)
If the engine cannot be started using the smart key system, ref er to P. 513.

4356-3. 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.

565
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 .

592Alphabetical index
4RUNNER (U)
Shift lock system ..................... 207
Side airbags ............................... 37
Side marker lights ................... 212Light switch ........................... 212
Replacing light bulbs............. 458
Wattage ................................ 533
Side mirrors ............................. 153 Adjusting and folding ............ 153
Side turn signal lights ............. 210
Slide deck ................................. 373
Smart key system .................... 113 Antenna location ................... 113
Entry functions ...................... 106
Starting the engine................ 199
Snow tires ................................ 334
Spare tire .................................. 493 Inflation pressure .................. 532
Storage location .................... 494
Spark plug ................................ 528
Specifications .......................... 524
Speedometer .............................. 88
Steering wheel ......................... 149 Adjustment ............................ 149
Storage feature ........................ 363
Storage precautions ................ 179
Stuck If the vehicle becomes
stuck ................................... 522
Sun visors ................................ 375 Switches
Automatic High Beam
switch ................................. 217
Cruise control switch ............ 257
Door lock switches................ 108
Driving position memory switches ............................. 142
Emergency flashers switch ... 466
Engine switch ....................... 199
Fog light switch ..................... 221
Garage door opener
switches ............................. 387
Ignition switch ....................... 199
LDA (Lane Departure Alert) switch ................................. 249
Light switches ....................... 212
Moon roof switches............... 161
Outside rear view mirror switches ............................. 153
Power back window
switch ................................. 158
Power door lock switch ......... 108
Power window switches........ 155
Rear window and outside rear view mirror defoggers
switch ......................... 344, 351
Rear window wiper and
washer switch..................... 226
Seat heater switches ............ 357
Seat ventilator switches ........ 357
“SOS” button........................... 72
Telephone switches
*
VSC OFF switch ................... 324
Window lock switch .............. 155
Windshield wipers and washer switch.............. 223

593Alphabetical index
4RUNNER (U)
Tachometer ................................ 88
Tail lights .................................. 212Light switch ........................... 212
Telephone switches
*
Theft deterrent system
Alarm ...................................... 79
Engine immobilizer system ..... 78
Tire inflation pressure ............. 440 Maintenance data ................. 532
Warning light ......................... 481
Tire information ....................... 537 Glossary................................ 543
Size ....................................... 539
Tire identification number ..... 538
Uniform Tire Quality Grading............................... 541
Tire pressure warning system .................................... 429 Function ................................ 429
Installing tire pressure warning
valves and transmitters ...... 430
Registering ID codes ............ 431
Warning light ......................... 481 Tires .......................................... 427
Chains .................................. 333
Checking............................... 427
If you have a flat tire ............. 493
Inflation pressure .................. 532
Information............................ 537
Replacing.............................. 493
Rotating tires ........................ 428
Size....................................... 532
Snow tires ............................. 334
Spare tire .............................. 493
Tire pressure warning
system .......... ...................... 429
Warning light......................... 481
Tools ......................................... 494
Top tether strap ......................... 68
Total load capacity .................. 181
Towing Dinghy towing ....................... 198
Emergency towing ................ 472
Trailer towing ........................ 182
Toyota Safety Sense P ............ 232 Automatic High Beam ........... 217
Dynamic radar cruise
control ................................ 257
LDA (Lane Departure Alert) ....... 249
PCS (Pre-Collision System) ....... 239
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.