
PRIUS v_OM_OM47B78U_(U)
5499-1. Specifications
9
Vehicle specifications
Tire size( P. 550)
DOT and Tire Identification Number (TIN) ( P. 550)
Location of treadwear indicators ( P. 431)
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.
Summer tires or all season tires ( P. 435)
An all season tire has “M+S” on the sidewall. A tire not marked “M+S”
is a summer tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL”
is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire.
A tube type tire has a tube inside the tire and the tube maintains the air
pressure.
Load limit at maximum cold tire inflation pressure ( P. 434)
Maximum cold tire inflation pressure ( P. 543)
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE
ONLY” molded on its sidewall. This tire is designed for temporary
emergency use only.
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PRIUS v_OM_OM47B78U_(U)
5519-1. Specifications
9
Vehicle specifications
■Tire dimensionsSection width
Tire height
Wheel diameter
Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Chafer
This information has been prepared in accordance with regulations
issued by the National Highway Traffic Safety Administration of the
U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota
vehicles with information on uniform tire quality grading.
Your Toyota dealer will help answer any questions you may have as you
read this information.
■
DOT quality grades
All passenger vehicle tires must conform to Federal Safety Require-
ments in addition to these grades. Quality grades can be found
where applicable on the tire sidewall between tread shoulder and
maximum section width.
For example: Treadwear 200 Traction AA Temperature A
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Tire section names
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Uniform Tire Quality Grading
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552
PRIUS v_OM_OM47B78U_(U)
9-1. Specifications
■Treadwear
The treadwear grade is a comparative rating based on the wear
rate of the tire when tested under controlled conditions on a speci-
fied government test course.
For example, a tire graded 150 would wear one and a half (1 - 1/2) times
as well on the government course as a tire graded 100.
The relative performance of tires depends upon the actual conditions of
their use. Performance may differ significantly from the norm due to
variations in driving habits, service practices and differences in road
characteristics and climate.
■
Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C,
and they represent the tire’s ability to stop on wet pavement as
measured under controlled conditions on specified government test
surfaces of asphalt and concrete.
A tire marked C may have poor traction performance.
Warning: The traction grade assigned to this tire is based on braking
(straight ahead) traction tests and does not include cornering (turning)
traction.
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Temperature A, B, C
The temperature grades are A (the highest), B, and C, representing
the tire’s resistance to the generation of heat and its ability to dissi-
pate heat when tested under controlled conditions on a specified
indoor laboratory test wheel.
Sustained high temperature can cause the material of the tire to degen-
erate and reduce tire life, and excessive temperature can lead to sud-
den tire failure.
Grade C corresponds to a level of performance which all passenger car
tires must meet under the Federal Motor Vehicle Safety Standard No.
109.
Grades B and A represent higher levels of performance on the labora-
tory test wheel than the minimum required by law.
Warning: The temperature grades of a tire assume that it is properly
inflated and not overloaded.
Excessive speed, underinflation, or e xcessive loading, either separately
or in combination, can cause heat buildup and possible tire failure.

567
PRIUS v_OM_OM47B78U_(U)
9-3. Initialization
9
Vehicle specifications
Item to initialize
The following Item must be initialized for normal system opera-
tion after such cases as the 12-volt battery being reconnected,
or maintenance being performed on the vehicle.
ItemWhen to initializeReference
Tire pressure warn-
ing system
• When rotating the tires on vehi-cles with differing front and rear
tire inflation pressures
• When changing the tire size
P. 4 3 2

597Alphabetical index
PRIUS v_OM_OM47B78U_(U)
Radar cruise control (dynamic radar cruise
control) ................................... 227
Radiator .................................... 421
Radio......................................... 287
Rear seat .................................. 135
Rear side marker lights Light switch ........................... 182
Rear turn signal lights Replacing light bulbs............. 464
Turn signal lever ................... 180
Wattage ................................ 544
Rear view mirror Inside rear view mirror .......... 142
Outside rear view mirrors...... 144
Rear view monitor system ...... 241
Rear window defogger ............ 362
Rear window wiper .................. 194
Refueling .................................. 195 Capacity ................................ 538
Fuel types ............................. 538
Opening the fuel tank cap ..... 196
Regenerative braking ................ 76
Replacing Electronic key battery ........... 449
Fuses .................................... 451
Light bulbs ............................ 454
Tires ...................................... 506
Road accident cautions ............ 81 Seat belts ................................... 32
Adjusting the seat belt ............ 35
Automatic Locking
Retractor .............................. 36
Child restraint system installation ............................ 66
Cleaning and maintaining the seat belt........................ 399
Comfort guide ......................... 35
Emergency Locking Retractor .............................. 36
How to wear your seat belt ..... 32
How your child should wear the seat belt.......................... 36
Pregnant women, proper seat belt use ......................... 38
Reminder light and buzzer.... 480
Seat belt extender .................. 37
Seat belt instructions for Canadian owners ............... 570
Seat belt pretensioners........... 36
SRS warning light ................. 479
Seat heaters ............................. 367
Seating capacity ...................... 165
RS

598Alphabetical index
PRIUS v_OM_OM47B78U_(U)
SeatsAdjustment .................... 131, 135
Adjustment precautions ........ 133
Child seats/child restraint system installation .......... 59, 63
Cleaning................................ 398
Front seats ............................ 131
Head restraint ....................... 138
Properly sitting in the seat ...... 30
Seat heaters ......................... 367
Sensor
Automatic headlight system ................................ 183
Automatic High Beam system ................................ 185
Inside rear view mirror .......... 143
LDA (Lane Departure Alert)................................... 217
Radar sensor ........................ 200
Service reminder indicators ..... 86
Shift lever ................................. 175
Shift lever light......................... 368
Side airbags ............................... 41
Side doors ................................ 114
Side marker lights Light switch ........................... 182
Replacing light bulbs..... 460, 466
Wattage ................................ 544 Side mirrors ............................. 144
Adjustment............................ 144
Folding .................................. 144
Heaters ................................. 362
Smart key system .................... 124
Antenna location ................... 124
Entry functions ...................... 114
Starting the hybrid system .... 168
Warning message................. 501
Snow tires ................................ 262
Spare tire Inflation pressure .................. 543
Storage location.................... 507
Spark plug ................................ 541
Specifications .......................... 536
Speedometer.............................. 90
SRS airbags ............................... 41
Steering wheel Adjustment............................ 140
Audio switches...................... 272
Meter control switches ............ 94
Telephone switches .............. 333
TRIP button ............................ 92
Stop/tail lights.......................... 466
Storage feature ........................ 371
Storage precautions................ 371

600Alphabetical index
PRIUS v_OM_OM47B78U_(U)
Tail lightsLight switch ........................... 182
Replacing light bulbs............. 466
Talk switch ............................... 333
Telephone switch .................... 333
Theft deterrent system Immobilizer system ................. 83
Tire inflation pressure
Maintenance data ................. 543
Warning light ......................... 481
Tire pressure warning system Function ................................ 432
Initializing .............................. 432
Installing tire pressure warning valves and
transmitters......................... 432
Registering ID codes ............ 433
Tire pressure warning reset switch ........................ 433
Warning light ......................... 481
Tire information ....................... 548 Tires .......................................... 431
Chains .................................. 263
Checking............................... 431
Glossary ............................... 553
If you have a flat tire ............. 506
Inflation pressure .................. 440
Replacing.............................. 506
Rotating tires ........................ 431
Size....................................... 543
Snow tires ............................. 262
Spare tire ...................... 506, 543
Tire identification number ..... 550
Tire pressure warning system ................................ 432
Uniform Tire Quality Grading .............................. 551
Warning light......................... 481
Tools ......................................... 507
Top tether strap ......................... 70
Total load capacity .................. 536
Towing Dinghy towing ....................... 167
Emergency towing ................ 472
Towing eyelet ....................... 474
Trailer towing ........................ 166
Traction control ....................... 252
Trailer towing ........................... 166
T