2012 TOYOTA TUNDRA tire size

686 6-1. Specifications
Typical DOT and tire identification number (TIN)DOT symbol
*
Tire Identification Number
(TIN)
Tire manufacturer’s identifica-
tion mark
Tire size code
Manufacturer’s optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*:The DOT symbol certifies thatthe tire conforms to applicable
Federal Motor Vehicle Safety
Standards.
Radial tires or bias-ply tires
A radial tire has RADIAL on the sidewall. A tire not marked RADIAL
is a bias-ply tire.
Summer tire or all season tire ( P. 560)
An all season tire has M+S on the sidewall. A tire not marked M+S
is a summer tire.

687
6-1. Specifications
6
Vehicle specifications
Tire size
■ Typical tire size information
The illustration indicates typical
tire size.
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 digits or 3 digits)
Speed symbol
(alphabet with one letter)
■ Tire dimensions
Section width
Tire height
Wheel diameter

691
6-1. Specifications
6
Vehicle specifications
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube
assembly upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a
rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity)The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire
The load on an individual tire that is determined
by distributing to each axle its share of the
maximum loaded vehicle weight, and dividing
by two
Vehicle normal load
on the tire
The load on an individual tire that is determined
by distributing to each axle its share of curb
weight, accessory weight, and normal occu-
pant weight (distributed in accordance with
Ta b l e 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Tire related termMeaning

699
6-2. Customization
6
Vehicle specifications
Items to initialize
ItemWhen to initializeReference
Moon roof
• After reconnecting or changing the battery
• After changing a fuse
P. 105
Maintenance dataAfter the maintenance is per-
formedP. 533
Tire pressure warning sys-
tem
• When rotating the tires on vehi- cles differing with front and rear
tire inflation pressures.
• When changing the tire inflation pressure by changing traveling
speed or load weight, etc.
• When changing the tire size.
P. 558
The following items must be initia lized for normal system operation
in cases such as after the battery is reconnected, or maintenance is
performed on the vehicle.

737
Alphabetical index
Side mirrors
Adjusting and folding .............. 91
Mirror position memory........... 70
Spare tire Inflation pressure .................. 678
Replacing ............................. 631
Storage location ................... 623
Spark plug................................ 674
Specifications .......................... 658
Speedometer ........................... 189
SRS airbags
Curtain shield airbags........... 122
Front airbags ........................ 122
Knee airbags ........................ 122
Precautions .......................... 129
Roll sensing of curtain shield airbag off switch ................. 134
Side airbags ......................... 122
Steering Column lock release ............. 179
Steering wheel Adjustment ....................... 85, 87
Audio switches ..................... 368
Steering wheel memory.......... 70
Telephone switches.............. 431
Stop lights
Replacing light bulbs ............ 594
Wattage ................................ 680
Storage feature ........................ 461
Storage precautions ............... 264
Stuck If your vehicle becomes
stuck................................... 654
Sun visors ................................ 488
Switch Cruise control switch ............ 223
Emergency flasher switch .... 600
Engine switch ....................... 178
Fog light switch..................... 215
Front-wheel drive control switch ................................. 242
Ignition switch ....................... 178
Light switches ....................... 210 Hazard light switch ................600
Headlights switch ..................210
Power back window switch ...102
Power door lock switch ...........50
Power window switch ..............96
Roll sensing of curtain shield
airbag off switch .................. 134
Tire pressure warning
reset switch .........................558
TOW/HAUL switch ................184
Turn signal lights ...................186
VSC OFF switch ..........246, 251, 252, 253
Window lock switch .................98
Wiper and washer switch ......217
Tachometer...............................189
Tailgate Removing the tailgate .............55
Tailgate ...................................54
Tail lights Replacing light bulbs .............594
Switch....................................210
Wattage .................................680
Talk switch................................431
Telephone switch .....................431
Theft deterrent system Alarm .....................................117
Engine immobilizer system ... 115
Tire inflation pressure .............565
Tire information Glossary ................................690
Size .......................................687
Tire identification number ......686
Uniform tire quality grading ................................688
Tires
Chains ...................................268
Checking ...............................557
Identification number .............686
If you have a flat tire ..............623
Inflation pressure...........565, 678
Information ............................685
T

738 Alphabetical index
Inflation pressure sensor ....... 558
Replacing .............................. 623
Rotating tires ......................... 557
Size ....................................... 678
Snow tires ............................. 267
Tire pressure warning reset switch ......................... 558
Tire pressure warning
system ........................ 557, 611
Warning light ......................... 611
Tissue pocket ........................... 475
Tools ......................................... 623
Total load capacity................... 265
TOW/HAUL switch ................... 184
Towing
Bumper towing ...................... 283
Dinghy towing........................ 294
Emergency towing................. 601
Fifth wheel trailer ................... 281
Trailer towing......................... 271
Traction control........................ 249
TRAC ......................................... 249
Trip information ....................... 200
Trip meter ................................. 193
Turn signal lights Replacing light bulbs ..... 591, 594
Switch.................................... 186
Wattage ................................. 680
Vanity lights Vanity lights ........................... 489
Wattage ................................. 680
Vanity mirrors........................... 489
Vehicle identification number ................................... 668
Vehicle stability control........... 249
VSC............................................ 249 Warning buzzers
Brake system ........................ 609
Key reminder................... 53, 614
Open door ..................... 611, 613
Seat belt reminder......... 611, 614
Warning lights ABS ....................................... 610
Airbag system ....................... 610
Anti-lock brake system .......... 610
Automatic transmission fluid temperature................. 610
Brake assist system .............. 610
Brake system ........................ 609
Charging system .... ............... 609
Electronic engine control system ................................ 610
Engine oil pressure ............... 609
Four-wheel drive system
warning buzzer ................... 614
Driver’s seat belt ................... 611
Front passenger occupant
classification system ........... 610
Front passenger’s
seat belt .............................. 611
Low brake fluid ...................... 609
Low engine oil pressure ........ 609
Low fuel level ................ 611, 620
Low tire inflation pressure.............................. 611
Malfunction indicator lamp .... 610
Master warning light .............. 611
Open door ............................. 611
Power steering warning light ..................................... 610
Pretensioners ........................ 610
Seat belt reminder light ......... 611
SRS airbags .......................... 610
Tire pressure warning light.... 611
VSC/TRAC ............................ 610
Warning messages .................. 619
V
W