2012 TOYOTA TUNDRA Front seat

612 5-2. Steps to take in an emergency
(On the center panel)Front passenger’s seat
belt reminder light
(warning buzzer)
*3
Warns the right front pas-
senger to fasten his/her
seat belt.
Fasten the seat belt.
Tire pressure warning
light
When the light comes on:
Low tire inflation pres-
sure such as
• Natural causes
( P. 615)
• Flat tire ( P. 623) Adjust the tire inflation
pressure to the speci-
fied level.
The light will turn off
after a few minutes.
In case the light
does not turn off
even if the tire infla-
tion pressure is
adjusted, have the
system checked by
your Toyota dealer.
When the light comes on
after blinking for 1
minute:
Malfunction in the tire
pressure warning sys-
tem ( P. 616) Have the system
checked by your Toy-
ota dealer.
Low fuel level warning
light
Low level of fuel. Refuel the vehicle.
*4Low washer fluid warn-
ing light
Low level of washer fluid. Fill the tank.
Warning lightWarning light/DetailsCorrection procedure

614 5-2. Steps to take in an emergency
*2: Driver’s seat belt reminder:The driver’s seat belt reminder sounds to alert the driver that his or her seat
belt is not fastened. Once the engine switch is turned to the ON or START
position, the buzzer sounds for 6 seconds. If the vehicle has reached a
speed of at least 12 mph (20 km/h), the buzzer sounds intermittently for 10
seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a
different tone for 20 more seconds.
*3: Front passenger’s seat belt reminder:
The front passenger’s seat belt reminder sounds to alert the right front pas-
senger that his or her seat belt is not fastened. The buzzer sounds intermit-
tently for 10 seconds after the vehicle has reached a speed of at least 12
mph (20 km/h). Then, if the seat belt is still unfastened, the buzzer will sound
in a different tone for 20 more seconds.
*4: Vehicles without multi-information display
*5: Vehicles with multi-information display
*6: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle.
■ Four-wheel drive system warning buzzer
The buzzer indicated that the transfer mode is not selected correctly.
■ Key reminder buzzer
The buzzer indicates that the key has not been removed (with the engine
switch in the ACC or LOCK position and the driver’s door opened).
■ Open moon roof reminder buzzer
The buzzer indicate that the moon roof is still opened (with the engine switch
in the ACC or LOCK position and the driver’s door opened).
■ If the malfunction indicator lamp comes on while driving
First check the following:
● Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after taking several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.

5
When trouble arises
615
5-2. Steps to take in an emergency
■
Front passenger detection sensor and passenger seat belt reminder
If luggage or other load is placed on the right front passenger seat, depend-
ing on its weight, the reminder light to flash and buzzer to sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level.
Pushing the tire pressure warning reset switch does not turn off the tire
pressure warning light.
■The tire pressure warning light may turn on due to natural causes
The tire pressure warning light may turn on due to natural causes such
as natural air leaks or tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after several minutes).
■When a tire is replaced with a spare tire
The temporary spare tire is not equipped with the tire pressure warning
valve and transmitter. If a tire goes flat, the tire pressure warning light will
not turn off even though the flat tire is replaced with the temporary spare
tire. Replace the temporary spare tire with the repaired tire and adjust
the proper tire inflatio n pressure. The tire pres sure warning light will turn
off after several minutes.
■If the tire pressure warning system is inoperative
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 transmit-
ters are used.
●If the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
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 similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.

616 5-2. Steps to take in an emergency
●If there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
●If non-genuine Toyota wheels are used. (Even if you use Toyota
wheels, the tire pressu re warning system may not work properly with
some types of tires.)
●If tire chains are used.
■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 to the ON position, have it
checked by your Toyota dealer.
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked front passenger’s seat belt reminder buzzer can be
disabled. (Customizable features P. 696)
CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause loss of vehicle control and re sult in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is pr obable that you have a flat tire. Check the tires.
If the tire is flat, change to the spare tire and have the flat tire repaired
by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning syste m may not activate immediately.

695
6-1. Specifications
6
Vehicle specifications
*:Table 1
 Occupant loading and distri bution for vehicle normal load
for various designated seating capacities
TreadThat portion of a tire that comes into contact
with the road
Tread ribA tread section running circumferentially
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
Designated seating
capacity, Number of occupants Vehicle normal load,
Number of occupantsOccupant distribution in a normally loaded vehicle
2 through 422 in front
5 through 1032 in front, 1 in second seat
11 through 155
2 in front, 1 in second
seat, 1 in third seat, 1 in fourth seat
16 through 207
2 in front, 2 in second
seat, 2 in third seat, 1 in fourth seat
Tire related termMeaning

730
Alphabetical index
Alphabetical index
A/C ..................................... 298, 307
ABS ........................................... 249
Accessory meter ...................... 207
Active traction control system .................................... 249
Air conditioning filter............... 572
Air conditioning system Air conditioning filter .............. 572
Automatic air conditioning system ................................ 298
Manual air conditioning system ................................ 307
Airbags
Airbag operating conditions............................ 125
Airbag precautions for your
child .................................... 129
Airbag warning light............... 610
Curtain shield airbag operating conditions............ 126
Curtain shield airbag precautions ......................... 129
Front passenger occupant classification system ........... 135
General airbag
precautions ......................... 129
Locations of airbags .............. 122
Modification and disposal of airbags ............................ 133
Proper driving posture ........................ 120, 129
Roll sensing of curtain shield airbag off switch .................. 134
Side airbag operating conditions............................ 126
Side airbag precautions ........ 129
SRS airbags .......................... 122
Alarm ......................................... 117
Antenna..................... 329, 371, 526
Anti-lock brake system ABS warning light .................. 610
Anti-lock brake system .......... 249
Armrest ..................................... 506 Audio input ............................... 366
Audio remote controls ............ 368
Audio system
Antenna................. 329, 371, 526
Audio input ............................ 366
Audio visual input .................. 416
AUX port ............................... 366
A/V input port ........................ 416
CD player/changer ................ 332
DVD player............................ 399
iPod ....................................... 349
MP3/WMA disc ..................... 341
Optimal use ........................... 362
Portable music player ........... 366
Radio..................................... 324
Rear seat entertainment
system ................................ 390
Steering wheel audio switch.................................. 368
Type ...................................... 320
USB memory......................... 355
Audio visual input.................... 416
AUTO LSD system ................... 246
Automatic light control system .................................... 214
Automatic transmission Automatic transmission ......... 181
If the shift lever cannot be shifted from P ..................... 643
TOW/HAUL switch ................ 184
AUX port ................................... 366
Auxiliary boxes ....................... 483
A/V input port ........................... 416
Back-up lights
Replacing light bulbs ............. 594
Wattage................................. 680
Back window Back window ......................... 101
Power back window .............. 102
Back window defogger............ 317A
B

731
Alphabetical index
Battery
Charging system warning
light .................................... 609
Checking .............................. 553
If the vehicle has discharged battery ............. 647
Preparing and checking before winter ...................... 267
Bluetooth
® audio..................... 377
Bluetooth® phone ................... 426
Bottle holders .......................... 481
Brakes
Brake system warning buzzer ................................ 609
Brake system warning light .................................... 609
Fluid...................................... 550
Parking brake ....................... 187
Brake assist ............................. 249
Break-in tips ............................ 169
Camper information ................ 716
Card holder .............................. 467
Care Exterior ................................. 526
Interior .................................. 529
Seat belts ............................. 530
Cargo capacity ........................ 265
Cargo hooks ............................ 511
Cargo lamp Replacing light bulbs ............ 595
Switch ................................... 460
Wattage ................................ 680
CD changer
CD ........................................ 332
MP3 ...................................... 341
WMA disc ............................. 341
CD player ................................. 332
Certification label ............ 275, 668
Chains ...................................... 268 Child restraint system
Booster seats, definition ........140
Booster seats, installation .....151
Convertible seats, definition .............................140
Convertible seats, installation ...........................151
Front passenger occupant
classification system ........... 135
Infant seats, definition ...........140
Infant seats, installation.........151
Installing CRS with lower anchorages .........................144
Installing CRS with seat
belts ....................................151
Installing CRS with top tether straps ........155, 157, 161
Child safety Airbag precautions ................129
Battery precautions .......554, 650
Child restraint system............140
Child-protectors .......................51
How your child should wear the seat belt ..........................82
Installing child restraints ........144
Moon roof precautions ..........109
Power window lock switch.......98
Power window precautions ...100
Removed wireless remote control battery
precautions .........................576
Seat belt extender
precautions ...........................84
Seat belt precautions ..............82
Seat heater precautions .................503, 505
Child-protectors .........................51
Cleaning Exterior ..................................526
Interior ...................................529
Seat belts ..............................530
Clock ........................................ 490
Compass ...................................520
C

733
Alphabetical index
Preparing and checking
before winter ...................... 267
Engine coolan t temperature
gauge ..................................... 189
Engine immobilizer system .... 115
Engine oil
Capacity ............................... 671
Checking .............................. 545
Preparing and checking before winter ...................... 267
Warning light ........................ 609
Engine switch .......................... 178
Event data recorder .................. 38
FFV ................................... 110, 681
Flex-fuel ........................... 110, 681
Flexible fuel vehicle ........ 110, 681
Floor mat .................................. 508
Fluid Brake .................................... 550
Washer ................................. 555
Fog lights
Replacing light bulbs ............ 593
Switch ................................... 215
Wattage ................................ 680
Four-wheel drive system ........ 242
Front fog lights Replacing light bulbs ............ 593
Switch ................................... 215
Wattage ................................ 680
Front passenger occupant
classification system............ 135
Front passenger’s seat belt reminder light ........................ 611
Front passenger’s seat belt warning buzzer.............. 611, 614
Front seats
Adjustment ............................. 60
Front side marker lights Replacing light bulbs ............ 592
Switch ................................... 210
Wattage ................................ 680 Front turn signal lights
Replacing light bulbs .............591
Switch....................................186
Wattage .................................680
Fuel
Capacity ................................671
Fuel gauge ............................189
Fuel pump shut off system ....608
Gas station information .........744
Information ............................681
Refueling ...............................110
Type ......................................671
Warning light .........................611
Warning message .................620
Fuel door...................................110
Fuel filler door ..........................110
Fuel pump shut off system .....608
Fuses.........................................577
Garage door opener.................513
Gas station information...........744
Gauges ......................................189
Glove box..................................463
Hands-free system (for cellular phone) ................426
Hazard lights switch ................600
Head restraints
Adjusting ................................73
Headlights
Replacing light bulbs .....589, 590
Switch....................................210
Wattage .................................680
High mounted stoplight Replacing ..............................595
Wattage .................................680
Heaters Seat heaters ..........................502
Seat heaters and ventilators ...........................504
Side mirror.....................315, 317
F
G
H