Lexus LS460 Owner's Manual page 470

470
6-3. Do-it-yourself maintenance
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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. Have the ID code
registered by your Lexus dealer.
When to replace your vehicle's tires
■
Tires should be replaced if:
The treadwear indicators are showing on a tire.
●
You have tire damage such as cuts, splits, cracks deep enough to expose the fabric,
●
and bulges indicating internal damage
A tire goes flat repeatedly or cannot be properly repaired due to the size or loca-
●
tion of a cut or other damage
If you are not sure, consult with your Lexus 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 min-
utes, the tire pressure warning light blinks for 1 minute and stays on to indicate a sys-
tem malfunction.
Tire life
■
Any tire over 6 years old must be checked by a qualified technician even if it has sel-
dom or never been used or damage is not obvious.
Routine tire inflation pressure checks
■
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.
When rotating the tires
■
Make sure that the engine switch is off. If the tires are rotated while the engine switch
is in IGNITION ON mode, the tire position information will not be updated.
If this accidentally occurs, either turn the engine switch to off and then to IGNITION
ON mode, or initialize the system after checking that the tire pressure is properly
adjusted.
LS460/LS460L_U (OM50G04U)