Acura 2008 TL Owner's Manual page 310

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The tire pressure monitoring system
(TPMS) warns you when a tire
pressure is low. See page
more information.
Even though your vehicle is
equipped with TPMS, we
recommend that you visually check
your tires every day. If you think a
tire might be low, check it
immediately with a tire gauge.
Use a gauge to measure the air
pressure in each tire at least once a
month. Even tires that are in good
condition may lose 1 to 2 psi (10 to
20 kPa, 0.1 to 0.2 kgf/cm ) per
month.
Remember to check the spare tire at
the same time you check all the
other tires.
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Check the air pressures when the
tires are cold. This means the
272 for vehicle has been parked for at least 3
hours, or driven less than 1 mile (1.6
km). Add or release air, if needed, to
match the recommended cold tire
pressures.
If you check air pressure when the
tires are hot [driven for several miles
(kilometers)], you will see readings 4
to 6 psi (30 to 40 kPa, 0.3 to 0.4
kgf/cm ) higher than the cold
readings. This is normal. Do not let
air out to match the recommended
cold air pressure. The tire will be
underinflated.
2008 TL
While 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 use your own tire
pressure gauge 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.
Tires
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