726
PRIUS PRIME_OM_OM47A88U_(U)
9-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended
inflation pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded
vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
PRIUS PRIME_OM_OM47A88U_(U)
7279-1. Specifications
9
Vehicle specifications
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 12-volt battery, and special trim
Rim
A 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 deter-
mined 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 deter-
mined by distributing to each axle its share of
curb weight, accessory weight, and normal
occupant weight (distributed in accordance
with Table 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Tire related termMeaning
728
PRIUS PRIME_OM_OM47A88U_(U)
9-1. Specifications
Bead separationA breakdown of the bond between compo-
nents in the bead
Bias ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially less than 90 degrees to
the centerline of the tread
CarcassThe tire structure, except tread and sidewall
rubber which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or
sidewall
CordThe strands forming the plies in the tire
Cord separationThe parting of cords from adjacent rubber
compounds
CrackingAny parting within the tread, sidewall, or inner-
liner of the tire extending to cord material
CT
A pneumatic tire with an inverted flange tire
and rim system in which the rim is designed
with rim flanges pointed radially inward and
the tire is designed to fit on the underside of
the rim in a manner that encloses the rim
flanges inside the air cavity of the tire
Extra load tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
GrooveThe space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating medium
within the tire
Innerliner separationThe parting of the innerliner from cord material
in the carcass
Tire related termMeaning
PRIUS PRIME_OM_OM47A88U_(U)
7299-1. Specifications
9
Vehicle specifications
Intended outboard
sidewall
(a) The sidewall that contains a whitewall,bears white lettering, or bears manufac-
turer, brand, and/or model name molding
that is higher or deeper than the same
molding on the other sidewall of the tire, or
(b) The outward facing sidewall of an asym-
metrical tire that has a particular side that
must always face outward when mounted
on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as pri-
marily intended for use on lightweight trucks
or multipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum per-
missible inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflat ion pressure to which
a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Open spliceAny parting at any junction of tread, sidewall,
or innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of
the sidewalls of an inflated tire, including ele-
vations due to labeling, decorations, or protec-
tive bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose passenger vehicles, and trucks,
that have a gross vehicle weight rating
(GVWR) of 10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between adja-
cent plies
Tire related termMeaning
730
PRIUS PRIME_OM_OM47A88U_(U)
9-1. Specifications
Pneumatic tire
A mechanical device made of rubber, chemi-
cals, fabric and steel or other materials, that,
when mounted on an automotive wheel, pro-
vides the traction and contains the gas or fluid
that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at substantially 90
degrees to the centerline of the tread
Reinforced tire
A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
Section width
The linear distance between the exteriors of
the sidewalls of an inflated tire, excluding ele-
vations due to labeling, decoration, or protec-
tive bands
SidewallThat portion of a tire between the tread and
bead
Sidewall separationThe parting of the rubber compound from the
cord material in the sidewall
Snow tire
A tire that attains a traction index equal to or
greater than 110, compared to the ASTM E-
1136 Standard Reference Test Tire, when
using the snow traction test as described in
ASTM F-1805-00, Standard Test Method for
Single Wheel Driving Traction in a Straight
Line on Snow-and Ice-Covered Surfaces, and
which is marked with an Alpine Symbol ( )
on at least one sidewall
Test rim
The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire
TreadThat portion of a tire that comes into contact
with the road
Tread ribA tread section running circumferentially
around a tire
Tire related termMeaning
743
PRIUS PRIME_OM_OM47A88U_(U)
9-3. Initialization
9
Vehicle specifications
Items to initialize
The following items 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
Power window• When functioning abnormallyP. 301
Intelligent Clearance
Sonar (if equipped)• After reconnecting or changing the 12-volt batteryP. 439
S-APGS (Simple
Advanced Parking
Guidance System) (if
equipped)
• After reconnecting or changingthe 12-volt batteryP. 466
Message indicating
maintenance is
required (U.S.A. only)• After the maintenance is per-formedP. 568
Tire pressure warn-
ing system
• When rotating the tires on vehi-cles with differing front and rear
tire inflation pressures
• When changing the tire inflation
pressure by changing traveling
speed or load weight, etc.
P. 5 9 5
765What to do if... (Troubleshooting)
PRIUS PRIME_OM_OM47A88U_(U)
●Stop the vehicle in a safe place and repair the flat tire temporarily with
the emergency tire puncture repair kit. (→P. 671)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or
snow. ( →P. 705)
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck
770Alphabetical index
PRIUS PRIME_OM_OM47A88U_(U)
Drive information ..................... 207
Drive-Start Control .................. 308
Driver’s seat belt reminder light......................................... 656
Driving ...................................... 306
Break-in tips .......................... 309
Correct posture ....................... 28
Driving in the rain .................. 307
Driving mode select switch ... 406
Plug-in hybrid vehicle driving tips ........................................ 97
Procedures ........................... 306
Winter drive tips .................... 482
Dynamic radar cruise control
with full-speed range ............ 391
ECB (Electronically Controlled Brake System) .... 476
Eco drive mode ........................ 406
EDR (Event data recorder) ........ 11
Electric motor (traction motor) ....................... 78
Location .................................. 78
Specification ......................... 711
Electric Power Steering (EPS)....................................... 477
Function ................................ 477
Warning light ......................... 654
Electronic key .......................... 262
Battery-saving function ......... 280
If the electronic key does not operate properly ........... 690
Replacing the battery ............ 627
Electronically Controlled Brake System (ECB) ............. 476 Emergency, in case of
If a warning buzzer sounds... 653
If a warning light turns on ..... 653
If a warning message is displayed ............................ 663
If the 12-volt battery is discharged.......................... 694
If the electronic key does
not operate properly ........... 690
If the hybrid system will not start .............................. 688
If you have a flat tire ............. 671
If you lose your keys ..... 263, 266
If you think something is wrong .............................. 652
If your vehicle becomes stuck ................................... 705
If your vehicle has to be stopped in an emergency ... 645
If your vehicle needs to be
towed.................................. 646
If your vehicle overheats....... 700
Emergency flashers ................ 644
Emergency tire puncture
repair kit ................................. 671
Energy monitor ........ 208, 247, 253
Engine Accessory mode ................... 326
Compartment ........................ 580
Engine switch ....................... 324
Exhaust gas precautions ........ 56
Hood ..................................... 577
How to start the hybrid system .......... ...................... 324
Identification number ............ 710
If the hybrid system will not start .............................. 688
If your vehicle has to be stopped in an emergency ... 645
Ignition switch (power switch) .................... 324
Overheating .......................... 700
Power switch ........................ 324
E