tire type TOYOTA YARIS SEDAN 2011 Owners Manual

151
2-5. Driving information
2
When driving
Regulations on the use of snow chains
l Regulations regarding the use of tire chains vary according to loca-
tion and type of road. Always check local regu lations before install-
ing chains.
l Use SAE Class “S” type radial tire chains, with the exception of
radial cable chains or V-bar type chains.
• Install the chains on the front tires.
• Refer to the explanation that comes with the tire chains for
installation instructions.
l Retighten the chains after drivi ng 1/4 - 1/2 mile (0.5 - 1.0 km).
nSnow chain installation
Observe the following precautions when installing and removing chains.
lInstall and remove tire chains in a safe location.
l Install tire chains on the front tires only. Do not install tire chains on the
rear tires.
l Install the tire chains on front tires as tightly as possible.
l Install tire chains following the instructions provided in the accompanying
instructions.
l If wheel ornaments are used, they will be scratched by the chain band,
so remove the ornaments before putting on the chains. ( →P. 314)
n When driving the vehicle
Accelerate the vehicle slowly and drive at a reduced speed suit-
able to road conditions.
n When parking the vehicle
Park the vehicle and move the shift lever to P (automatic trans-
mission) or to 1 or R (manual transmission) without setting the
parking brake. The parking brak e may freeze up, preventing it
from being released. If necessary , block the wheels to prevent
inadvertent sliding or creeping.

152 2-5. Driving information
CAUTION
nDriving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failing to do so may result in a loss of vehicle control and cause death or
serious injury.
lUse tires of the size specified for your vehicle.
l Maintain the recommended level of air pressure.
l Do not drive in excess of 75 mph (120 km/h) regardless of the type of
snow tires being used.
l Snow tires should be installed on all wheels.
n Driving with snow chains
Observe the following precautions to reduce the risk of accidents.
Failing to do so may result in the vehicle being unable to be driven safely,
and may cause death or serious injury.
lDo not drive in excess of the speed limit specified for the tire chains being
used or 30 mph (50 km/h), whichever is lower.
l Avoid driving on bumpy road surfaces or over potholes.
l Avoid sudden turns and braking.
l Slow down sufficiently before entering a curve to ensure that vehicle con-
trol is maintained.
NOTICE
nRepairing or replacing snow tires
Request repairs of and obtain replacement snow tires from Toyota dealers or
legitimate tire retailers.
This is because the removal and attachment of snow tires affects the opera-
tion of the tire pressure warning valves and transmitters.
n Fitting tire chains
The tire pressure warning valves and transmitters may not function correctly\
when tire chains are fitted.

252 4-3. Do-it-yourself maintenance
■If the tread wears down below 0.16 in. (4 mm) on snow tires
The effectiveness of snow tires is lost.
■Maximum load of tire
Check that the maximum load of the replacement tire is greater than 1/2
of the Gross Axle Weight Ratings (GAW R) of either the front axle or the
rear axle, whichever is greater.
■Tire types
1 Summer tires
Summer tires are high-speed performance tires best suited to highway
driving under dry conditions. Sinc e summer tires do not have the same
traction performance as snow tire s, summer tires are inadequate for
driving on snow-covered or icy roads. For driving on snow-covered
roads or icy roads, the use of snow tires is recommended. When
installing snow tires, be sure to replace all four tires.
2 All season tires All season tires are designed to provide better traction in snow and to
be adequate for driving in most winter conditions, as well as for use
year round. All season tires, however, do not have adequate traction
performance compared with snow tires in heavy or loose snow. Also,
all season tires fall short in acceleration and handling performance
compared with summer tires in highway driving.
3Snow tires
For driving on snow-covered roads or icy roads, we recommend using
snow tires. If you need snow tires, select tires of the same size, con-
struction and load capacity as the or iginally installed tires. Since your
vehicle has radial tires as original equipment, make sure your snow
tires also have radial construction. Do not install studded tires without
first checking local regulations for possible restriction. Snow tires
should be installed on all wheels. ( →P. 150)
For the GAWR, see the Certification
Label. For the maximum load of the
tire, see the load limit at maximum cold
tire inflation pressure mentioned on the
sidewall of the tire. (→ P. 3 5 2
)

260
4-3. Do-it-yourself maintenance
Wheels
If a wheel is bent, cracked or heavily corroded, it should be
replaced.
Otherwise, the tire may separate from the wheel or cause loss of
handling control.
■Wheel selection
When replacing wheels, care should be taken to ensure that
they are equivalent to those removed in load capacity, diameter,
rim width, and inset
*.
Replacement wheels are available at your Toyota dealer.
*: Conventionally referred to as “offset”.
Toyota does not recommend using:
● Wheels of different sizes or types
● Used wheels
● Bent wheels that have been straightened
■ Aluminum wheel precautions (if equipped)
●Use only Toyota wheel nuts and wrench designed for use with
your aluminum wheels.
● When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
● Be careful not to damage the aluminum wheels when using
tire chains.
● Use only Toyota genuine balance weights or equivalent and a
plastic or rubber hammer when balancing your wheels.

5
When trouble arises
307
5-2. Steps to take in an emergency
nWhen a tire is replaced with a spare tire (vehicles with a tire pres-
sure warning system)
The compact 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 spare tire.
Replace the spare tire with the repair ed tire and adjust the proper tire
inflation pressure. The ti re pressure warning light will turn off after a few
minutes.
nIf the tire pressure warning system is inoperative (vehicles with a
tire pressure warning system)
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
lIf tires not equipped with tire pressure warning valves and transmit-
ters are used.
lIf the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
lIf the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or
higher.
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
lIf electronic devices or facilities using similar radio wave frequencies
are nearby.
lIf a radio set at similar frequencies is in use in the vehicle.
lIf a window tint that affects the radio wave signals is installed.
lIf there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
lIf 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.)
lIf tire chains are used.

352
6-1. Specifications
Tire information
Typical tire symbolsStandard tire
Tire size (→ P. 356)
DOT and Tire Identification Number (TIN) (→ P. 355)
Location of treadwear indicators (→ P. 357)
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the
strands which form the plies in a tire.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Load limit at maximum cold tire inflation pressure ( →P. 359)
Maximum cold tire inflation pressure ( →P. 359)
This means the pressure to which a tire may be inflalted.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly filled in the
tire. A tube type tire has a tube inside the tire and the tube main-
tains the air pressure.

354 6-1. Specifications
Compact spare tire
TEMPORARY USE ONLY(→ P. 313)
A compact spare tire is identified by the phrase TEMPORARY USE
ONLY molded into its sidewall. Th is tire is designed for temporary
emergency use only.
Tire size (→ P. 356)
DOT and Tire Identification Number (TIN) (→ P. 355)
Location of treadwear indicators (→ P. 357)
Load limit at maximum cold tire inflation pressure ( →P. 359)
Maximum cold tire inflation pressure (→ P. 359)
This means the pressure to which a tire may be inflated.
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the
strands which form the plies in a tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly filled in the
tire. A tube type tire has a tube inside the tire and the tube main-
tains the air pressure.

355
6-1. Specifications
6
Vehicle 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.

360 6-1. Specifications
Tire related termMeaning
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

387
Alphabetical index
Electric power steering
Electric power steering ......... 141
Warning light ........................ 302
Emergency flashers Switch ................................... 290
Emergency, in case of If the engine will not start...... 322
If the shift lever cannot be shifted from P ..................... 324
If the vehicle battery is discharged ......................... 326
If the warning buzzer sounds ............................... 301
If the warning light
turns on .............................. 301
If you have a flat tire ............ 311
If you lose your keys............. 325
If you think something is wrong ................................. 297
If the vehicle becomes
stuck................................... 332
If your vehicle has to be stopped in an emergency... 334
If your vehicle needs to be towed ................................. 291
If your vehicle overheats ...... 329
Engine Compartment........................ 238
Engine switch ....................... 112
Hood ..................................... 235
How to start the engine ........ 112
Identification number ............ 340
If the engine will not start...... 322
Ignition switch ....................... 112
Immobilizer system................. 63
Overheating .......................... 329
Specifications ....................... 341
Warning light ........................ 302 Engine coolant
Capacity ................................343
Checking ...............................243
Indicator ................................128
Preparing and checking
before winter .......................150
Type ......................................343
Warning light .........................302
Engine immobilizer system.......63
Engine oil Capacity ................................342
Checking ...............................239
Grade ....................................342
Initializing the maintenance
data .....................................241
Preparing and checking before winter .......................150
Warning light .........................302
Engine switch ...........................112
Engine oil maintenance data .........................................241
EPS EPS .......................................141
Warning light .........................302
Event data recorder .................299
Floor mat...................................217
Fluid Automatic transmission .........345
Brake .....................................244
Clutch ....................................345
Warning light .................301, 304
Washer ..................................248
Fog lights
Indicator ................................134
Replacing light bulbs .............278
Switch....................................134
Wattage .................................348
Front fog lights Indicator ................................134
Replacing light bulbs .............278
Switch....................................134
Wattage .................................348E
F