Owners Manual

Tires
9-14 Vehicle care and maintenance
9
and concrete. A tire marked C may have poor
traction performance.
The temperature grades are A (the highest), B
and C, representing 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 temperature can cause the
material of the tire to degenerate and reduce
tire life, and excessive temperature can lead
to sudden tire failure. The grade C corre-
sponds to a level of performance which all
passenger car tires must meet under the Fed-
eral Motor Vehicle Safety Standard No. 109.
Grades B and A represent higher levels of
performance on the laboratory test wheel than
the minimum required by law.
N00939300873
Proper tire inflation pressure is essential for
the safe and satisfactory operation of your
vehicle. The wrong tire pressure will cause
problems in three major areas:
 Safety
Too little pressure increases flexing in the
tire and can cause tire failure. Too much
pressure can cause a tire to lose its ability
to cushion shock. Objects on the road and
potholes could then cause tire damage that
may result in tire failure.
 Economy
The wrong tire pressure can cause uneven
wear patterns in the tire tread. These
abnormal wear patterns will reduce the
tread life, and the tire will have to be
replaced sooner.
Too little pressure also makes it harder for
the tire to roll, and this uses up more
power.
 Ride comfort and vehicle stability
The superior riding experience built into
your vehicle partly depends on the correct
tire pressure. Too much pressure gives an
uncomfortable and jarring ride. Too little
pressure feels as if your vehicle is slow to
respond.
Unequal tire pressures can make steering
your vehicle uneven and unpredictable.
The correct tire pressure for your vehicle is
listed on the placard attached to the sill of the
driver’s door.
(Refer to “Tire and loading information plac-
ard” on page 11-3.)
The recommended inflation pressures should
be used for the tires listed below.
Tire pressures should be checked, and
adjusted if necessary, at least once a month.
Pressures should be checked more often
whenever weather temperatures change
severely, because tire pressures change with
outdoor temperatures. The pressures listed on
the placard are always “cold inflation pres-
sure”.
Cold inflation pressure is measured after the
vehicle has been parked for at least three
hours or is driven less than 1 mile (1.6 km)
after having been parked for three hours.
Cold inflation pressure must not go above the
maximum values molded into the tire side-
wall. After driving several miles, your tire
inflation pressure may increase 14 to 41 KPA,
2 to 6 PSI from the cold inflation pressure.
Do not let air out of the tires to get back to the
specified cold pressure, or your tire pressure
will be too low.
You should also take the following safety pre-
cautions:
Temperature
Tire inflation pressures
Tire size Front Rear
145/65R15
72H
250 KPA,
36 PSI
—
175/60R15
81H
—
250 KPA,
36 PSI
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