Checking And Replacing Tires - Lexus RX300 2003 Owner's Manual

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CHECKING AND REPLACING TIRES

When to replace your tires
63R006
"
New tread
Tread wear indicator
1
2
Worn tread
3
Replace the tires when the tread wear indicators show.
The location of the tread wear indicators is shown by the
marks such as "TWI" or "
" marks molded on the sidewall
of each tire.
The tires on your Lexus have built–in tread wear indicators to
help you know when the tires need replacement. When the
tread depth wears to 1.6 mm (0.06 in.) or less, the indicators
will appear. If you can see the indicators in two or more
adjacent grooves, the tire should be replaced.
The effectiveness of snow tires is lost if the tread wears
down below 4 mm (0.16 in.).
If you have tire damage such as cuts, splits, cracks deep
enough to expose the fabric, or bulges indicating internal
damage, the tire should be replaced.
If a tire often goes flat or cannot be properly repaired due to the
size or location of a cut or other damage, it should be replaced.
If you are not sure, consult with your Lexus dealer.
If an air loss occurs while driving, do not continue driving with
a deflated tire. Driving even a short distance can damage a tire
beyond repair.
Any tires which are over 6 years old must be checked by
a qualified technician even if damage is not obvious.
Tires deteriorate with age even if they have never or seldom
been used.
This also applies to the spare tire and tires stored for future use.
2003 RX300 from Aug. 02' Prod. (OM48442U)

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