2010 TOYOTA YARIS SEDAN Owners Manual

344 6-1. Specifications
nToyota recommends the use of gaso line containing detergent additives
l Toyota recommends the use of gasoline that contains detergent additives
to avoid build-up of engine deposits.
l All gasoline sold in the US contains detergent additives to clean and/or
keep clean intake systems.
n Toyota recommends the use of cleaner burning gasoline
Cleaner burning gasoline, including reformulated gasoline that contains oxy-
genates such as ethanol or MTBE (Methyl Tertiary Butyl Ether) is available in
many areas.
Toyota recommends the use of cleaner burning gasoline and appropriately
blended reformulated gasoline. These types of gasoline provide excellent
vehicle performance, reduce vehicle emissions and improve air quality.
n Toyota does not recomm end blended gasoline
l Toyota allows the use of oxygenate blended gasoline where the oxygen-
ate content is up to 10% ethanol or 15% MTBE.
l If you use gasohol in your Toyota, be sure that it has an octane rating no
lower than 87.
l Toyota does not recommend the use of gasoline containing methanol.
n Toyota does not recommen d gasoline containing MMT
Some gasoline contains octane enhancing additive called MMT (Methylcy-
clopentadienyl Manganese Tricarbonyl).
Toyota does not recommend the use of gasoline that contains MMT. If fuel
containing MMT is used, your emission control system may be adversely
affected.
The malfunction indicator lamp on the instrument cluster may come on. If
this happens, contact your Toyota dealer for service.

345
6-1. Specifications
6
Vehicle specifications
NOTICE
n
Notice on fuel quality
lDo not use improper fuels. If improper fuels are used the engine will be
damaged.
l Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way catalytic
converters causing the emission control system to malfunction.
l Do not use gasohol other than that stated here.
Other gasohol may cause fuel system damage or vehicle performance
problems.
l Use of unleaded gasoline with an octane rating lower than 87 may result in
engine knocking. Persistent knocking can lead to engine damage and
should be corrected by refueling with higher octane unleaded gasoline.
n Fuel-related poor driveability
If after using a different type of fuel, poor driveability is encountered (poor
hot starting, vaporization, engine knocking, etc.), discontinue the use of that
type of fuel.
n When refueling with gasohol
Take care not to spill gasohol.
It can damage your vehicle’s paint.

346
6-1. Specifications
Tire information
Typical tire symbolsStandard tire
Tire size (→ P. 350)
DOT and Tire Identification Number (TIN) (→ P. 349)
Location of treadwear indicators (→ P. 351)
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. 353)
Maximum cold tire inflation pressure ( →P. 353)
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.

347
6-1. Specifications
6
Vehicle specifications
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. 351)
An all season tire has M+S on the sidewall. A tire not marked M+S
is a summer tire.

348 6-1. Specifications
Compact spare tire
TEMPORARY USE ONLY(→ P. 309)
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. 350)
DOT and Tire Identification Number (TIN) (→ P. 349)
Location of treadwear indicators (→ P. 351)
Load limit at maximum cold tire inflation pressure ( →P. 353)
Maximum cold tire inflation pressure (→ P. 353)
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.

349
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.

350 6-1. Specifications
Tire sizen 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)
n Tire dimensions
Section width
Tire height
Wheel diameter

351
6-1. Specifications
6
Vehicle specifications
Tire section names
Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Chafer
Uniform Tire Quality GradingThis information has been prepared in accordance with regulations
issued by the National Highway Tr affic Safety Administration of the
U.S.A. 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 answ er any questions you may have as
you read this information.
n DOT quality grades
All passenger vehicle tires mu st conform to Federal Safety
Requirements 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