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being loaded on the vehicle.
That weight may not safely
exceed the available cargo
and luggage load capacity
calculated in Step 4.
6.
If your vehicle will be towing
a trailer, load from your trail-
er will be transferred to your
vehicle. Consult this manual
to determine how this re-
duces the available cargo
and luggage load capacity of
your vehicle.
.,.Check the tire sidewall
(¢
page 291, fig. 254) to de-
termine the designated load
rating for a specific tire.
Tire service life
The service life of tires depends
on a lot of different things in-
cluding proper installation and
balancing, correct tire pressure
and driving style .
Fig. 252 Tire tread: tread wear indi-
cators (TWI)
Tires and wheels
289
....
N
M
::;;
;g
Fig. 253 Rotating tires for more even
wear
Tread Wear Indicator (TWI)
The original tires on your vehi-
cle have 1/16 inch (1.6 mm)
high "wear indicators"
¢
fig. 252 running across the
tread. Depending on the make,
there will be six to eight of
them evenly placed around the
tire. Marks on the tire sidewall
(for example "TWI" or other
symbols) indicate the positions
of the tread wear indicators.
Worn tires must be replaced.
Different figures may apply in
other countries
¢
& .
Tire pressure
Incorrect tire pressure causes
premature wear and can cause
sudden tire blow-out. For this
reason, tire pressure must be
checked at least once a month
¢ page 282.
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