Maintenance
268
Tires and wheels
Tire underinflation
Inflate your tires consistent with
the instructions provided in this
manual. Severe underinflation (10
psi (70 kPa) or more) can lead to
severe heat build-up, causing blow
-
outs, tread separation and other tire
failures that can result in the loss of
vehicle control. This risk is much
higher on hot days and when driving
for long periods at high speeds.
Failure to maintain specified pres
-
sure may result in excessive wear,
poor handling, reduced fuel econ
-
omy, deformation of tire and/or
wheel, harsh ride conditions, possi
-
bility for additional damage from
road hazards, or result in tire failure.
Tire pressure
Always observe the following:
䳜 Check tire pressure when the tires
a
re cold. (After vehicle has been
parked for at least three hours or
hasn't been driven more than one
mile (1.6 km) since startup.)
䳜 Chec
k the pressure of your spare
t
ire each time you check the pres
-
sure of other tires.
䳜 Never overload your vehicle. Be
ca
reful not to overload a vehicle
luggage rack if your vehicle is
equipped with one.
䳜 Warm tires normally exceed rec
-
ommended cold tire pressures by
4 to 6 psi (28 to 41 kPa). Do not
release air from warm tires to
adjust the pressure or the tires
will be underinflated.
Tire Inflation
Overinflation or underinflation can
reduce tire life, adversely affect
vehicle handling, and lead to sudden
tire failure. This could result in loss
of vehicle control and potential
injury.
Checking tire inflation pressure
Check your tires once a month or
more.
Use a good quality gauge to check
t
i
re pressure. You cannot tell if your
tires are properly inflated simply by
looking at them. Radial tires may
look properly inflated even when
they're underinflated.
Check the tire's inflation pressure
whe
n
the tires are cold. "Cold"
means your vehicle has been sitting
or at least three hours or driven no
more than 1 mile (1.6 km).
1. Remove the valve cap from the
tir
e
valve stem.
2. Press the tire gauge firmly onto
the val
ve to get a pressure mea
-
surement. If the cold tire inflation
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