TOYOTA 2010 Highlander - Manual (Page 437)

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4-3. Do-it-yourself maintenance
4
Mainten
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Registering ID codes
The tire pressure warning valve and transmitter is equipped with a
unique ID code. When replacing a tire pressure warning valve and
transmitter, it is necessary to register the ID code of tire pressure
warning valve and transmitter. Have the ID code registered by your
Toyota dealer.
■
When to replace your vehicle's tires
Tires should be replaced if:
●
You have tire damage such as cuts, splits, cracks deep enough to
expose the fabric, or bulges indicating internal damage
●
A tire goes flat repeatedly or cannot be properly repaired due to the
size or location of a cut or other damage
If you are not sure, consult with your Toyota dealer.
■
Replacing tires and wheels
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 malfunction.
■
Tire life
Any tire over 6 years old must be checked by a qualified technician even
if they have seldom or never been used or damage is not obvious.
■
If the tread wears down below 0.16 in. (4 mm) on snow tires
The effectiveness of snow tires is lost.
■
When the tire pressure warning valves and transmitter are removed
from the wheel on occasions such as when replacing tires
The tire inflation pressure data updated before servicing is retained.