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tions of their use and may vary due to driving habits, service prac-
tices, differences in road characteristics, and climate.
• Traction - The traction grades from highest to lowest are AA, A, B,
a
nd 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.
• Temperature - The temperature grades are A (the highest), B, and C,
r
epresenting the tire’s resistance to the generation of heat and its
ability to dissipate heat when tested under controlled conditions on
a specified indoor laboratory test wheel. Sustained high tempera -
tures can cause the materials of the tire to degenerate and reduce tire
li
fe, and excessive temperature can lead to sudden tire failure. The
grade C corresponds to a level of performance that all passenger car
tires must meet under the Federal Motor Vehicle Safety Standard
No. 139. Grades B and A represent higher levels of performance on
the laboratory test wheel than the minimum required by law.
• D OT Quality Grades - All passenger car tires must conform to
f
ederal requirements in addition to these grades. CAUTION!
The traction grade assigned to tires is based on locked braking
( s
traight ahead) traction tests and does not include cornering
(turning) traction.
WARNING!
The temperature grade is established for a tire that is properly
in
flated and not overloaded. Excessive speed, underinflation, or
excessive loading either separately or in combination can cause
heat buildup and possible tire failure. This can cause an accident,
which could lead to serious personal injury or death.
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2. WHAT IS NOT WARRANTED
Tires that have become unserviceable for the following reasons:
• Road hazard injuries or damages, caused to the tire by obstacles and
d
ebris such as cuts, punctures (whether repairable or not), snags,
bruises, tears, or impact breaks.
• Improper repairs or repairs that have failed.
•
Improper inflation or other maintenance abuses.
•
Incorrect mounting of the tire, or tire/wheel imbalance.
•
Mechanical irregularities in the vehicle such as wheel misalignment,
w
orn, or faulty parts.
• Accident, corrosion, vandalism, fire, or damage caused by nature.
•
Tires used on vehicles in racing or special applications.
•
Non-speed-rated temporary spare tires used over 50
mph
(80 km/h).
• Tires worn out [2/32
inch (1.6 mm) or less of tread remaining] .
• Tires that have been retreaded.
•
Tires transferred from the vehicle on which they were originally
i
nstalled.
• Improper storage
3
. WHAT IS WARRANTED
Tires that have become unserviceable for reasons other than stated
ab
ove will be replaced in accordance with this warranty.
If a warrantable condition is found, tires will be replaced as follows:
A) Passenger Car and Light Truck Tires (Other than Temporary
Sp
are Tires)
When a tire becomes unserviceable during the first 2/32 inch (1.6 mm)
of
original usable tread depth or 12 months from date of vehicle
pu
rchase, whichever comes first, it will be replaced with a comparable
new YOKOHAMA tire free of charge. During this period, tires will be
mounted and balanced without charge. Other service charges such as
tire rotation, alignment or applicable taxes are payable by the
customer.
When a tire has worn past the above specified period for free
re
placement, the customer must pay for the cost of a new comparable
YOKOHAMA passenger car or light truck tire on a pro-rated basis.
The dealer shall determine this cost by multiplying the percentage of
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6. Do not use snow chains on your YOKOHAMA high pressure
spare. This could cause damage to your vehicle.
7. When the tread wear indicator appears on the tire, replace it only
w
ith the same type spare tire.
8. Check the tire’s cold inflation pressure monthly and maintain at 60
p
si (4.2 kg/cm2) even when not in use. Do not inflate over 60 psi.
9. The YOKOHAMA high pressure spare tire should not be used with
a
ny other rim nor should standard tires, wheel covers, or trim rings
be used on the YOKOHAMA high pressure spare tire rim on which
the YOKOHAMA high pressure spare tire was originally installed.
IMPORTANT SAFETY INFORMATION
All tires require owner maintenance regardless of how well a tire is
co
nstructed. Operational damages such as punctures, impact
damage, cuts, incorrect inflation, etc., may cause tire failure and
subsequent personal injury and/or property damage. Simple
operational and maintenance practices, as listed below, will reduce
the chances of tire problems.
Tire Inspection
Visually inspect your tires frequently for any tire damage such as
sc
rapes, bulges, cuts, nails, irregular wear, etc. resulting from
operation. This must be done immediately after any known or
suspected contact with an object in the road, a pothole, road
irregularity or after severe braking. Refer these conditions to a
reputable tire service center for repair or replacement. Never drive on
a tire if such conditions appear.
Tire Loading
Never exceed the maximum vehicle load limit listed on the vehicle
pl
acard, tire information label or in the Owners Manual. Be aware of
the load carrying limits molded into the tire’s sidewall and do not
exceed those limits. Maximum load can only be carried at the
maximum cold inflation pressure indicated on the tire’s sidewall.
Speed Limits
Regardless of the speed capability of your tires, never exceed lawful
sp
eeds or speeds dictated by driving conditions.