Honda 2004 S2000 Owner's Manual page 150

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If you check the pressure when the
tires are hot (driven for several
miles), you will see readings 4 to 6
psi (30 to 40 kPa, 0.3 to 0.4 kgf/cm )
higher than the cold reading. This is
normal; do not release air to match
the cold pressure.
Tubeless tires have some ability to
self-seal if they are punctured. You
should look closely for punctures if a
tire starts losing pressure.
You should get your own tire
pressure gauge and use it whenever
you check your tire pressures. This
will make it easier for you to tell if a
pressure loss is due to a tire problem
and not due to a variation between
gauges.
Tire Inspection
Every time you check inflation, you
should also examine the tires for
damage, foreign objects, and wear.
You should look for:
Bumps or bulges in the tread or
side of the tire. Replace the tire if
you find either or these conditions.
Cuts, splits, or cracks in the side
of the tire. Replace the tire if you
can see fabric or cord.
Excessive tread wear.
TREAD WEAR INDICATORS
INDICATOR LOCATION MARKS
Your vehicle's tires have wear
indicators molded into the tread.
When the tread wears down to that
point, you will see a 1/2 inch (12.7
mm) wide band running across the
tread. This shows there is less than
1/16 inch (1.6 mm) of tread left on
the tire. A tire that is this worn gives
very little traction on wet roads. You
should replace the tire if you can see
the tread wear indicator in three or
more places around the tire.
Maintenance
Tires
147