Lexus LX 570 Owner's Manual page 541

540
6-3. Do-it-yourself maintenance
When to replace your vehicle's tires
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Tires should be replaced if:
The treadwear indicators are showing on a tire.
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You have tire damage such as cuts, splits, cracks deep enough to expose the fabric, and
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bulges indicating internal damage
A tire goes flat repeatedly or cannot be properly repaired due to the size or location of
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a cut or other damage
If you are not sure, consult with your Lexus dealer.
Replacing tires and wheels (vehicles with the tire pressure warning system)
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Type A

If the ID code of the tire pressure warning valve and transmitter is not registered, the tire
pressure warning system will not work properly. After driving for about 20 minutes, the
tire pressure warning light comes on after blinking for 1 minute to indicate a system mal-
function.
Type B

If the ID code of the tire pressure warning valve and transmitter is not registered, the tire
pressure warning system will not work properly. After driving for about 10 minutes, the
tire pressure warning light comes on after blinking for 1 minute to indicate a system mal-
function.
Tire life
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Any tire over 6 years old must be checked by a qualified technician even if it has seldom
or never been used or damage is not obvious.
Routine tire inflation pressure checks (vehicles with the tire pressure warning system)
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The tire pressure warning system does not replace routine tire inflation pressure checks.
Make sure to check tire inflation pressure as part of your routine of daily vehicle checks.
Initializing the tire pressure warning system
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Initialize the tire pressure warning system with the tire inflation pressure adjusted to the
specified level.
If the tread on snow tires wears down below 4 mm (0.16 in.)
■
The effectiveness of the tires as snow tires is lost.
If you press the tire pressure warning reset switch accidentally (vehicles with the tire
■
pressure warning system)
If initialization is performed, adjust the tire inflation pressure to the specified level and ini-
tialize the tire pressure warning system again.
LX570_450d_OM_OM60R63E_(GE)