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RX350_270_EE_48D77E.book 549 ページ ２０１４年１月２４日 金曜日 午前１０時４分
When a tire is replaced with a spare tire
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Vehicles with a compact spare tire
The compact spare tire is not equipped with a tire pressure warning valve and trans-
mitter. If a tire goes flat, the tire pressure warning light will not turn off even though
the flat tire has been replaced with the spare tire. Replace the spare tire with the
repaired tire and adjust the tire inflation pressure. The tire pressure warning light
will go off after a few minutes.
Vehicles with a full-size spare tire
The spare tire is also equipped with the tire pressure warning valve and transmitter.
The tire pressure warning light will turn on if the tire inflation pressure of the spare
tire is low. If a tire goes flat, even though the flat tire is replaced with the spare tire,
the tire pressure warning light does not turn off. Replace the spare tire with the
repaired tire and adjust to the proper tire inflation pressure. The tire pressure warn-
ing light will turn off after a few minutes.
If the tire pressure warning system is not functioning
■
The tire pressure warning system will be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
If tires not equipped with tire pressure warning valves and transmitters are used
●
If the ID code on the tire pressure warning valves and transmitters is not regis-
●
tered in the tire pressure warning computer
If the tire inflation pressure is 500 kPa (5.1 kgf/cm
●
The tire pressure warning system may be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
If electronic devices or facilities using similar radio wave frequencies are nearby
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If a radio set at similar frequencies is in use in the vehicle
●
If a window tint that affects the radio wave signals is installed
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If there is a lot of snow or ice on the vehicle, in particular around the wheels or
●
wheel housings
If non-genuine Lexus wheels are used (Even if you use Lexus wheels, the tire
●
pressure warning system may not work properly with some types of tires.)
RX350/270_EE
5-2. Steps to take in an emergency
2
or bar, 73psi) or higher
5
549
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