Toyota HIGHLANDER HYBRID 2009 Manual page 505

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The tire pressure warning light may turn on due to natural causes
The tire pressure warning light may turn on due to natural causes such
as natural air leaks or tire inflation pressure changes caused by tem-
perature. In this case, adjusting the tire inflation pressure will turn off the
warning light (after a few minutes).
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When a tires is replaced with a spare tire
Vehicles with compact spare tire: The compact spare tire is not equipped
with the tire pressure warning valve and transmitter. If a tire goes flat, the
tire pressure warning light will not turn off even though the flat tire is
replaced with the spare tire. Replace the spare tire with the repaired tire
and adjust the proper tire inflation pressure. The tire pressure warning
light will turn off after a few minutes.
Vehicles without compact spare tire: The spare tire is also equipped with
the tire pressure warning valve and transmitter. The tire pressure warn-
ing 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 the proper tire inflation pressure. The
tire pressure warning light will turn off after a few minutes.
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If the tire pressure warning system is inoperative
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
●
If tires not equipped with tire pressure warning valves and transmit-
ters are used.
●
If the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure warning computer.
●
If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm
higher.
The tire pressure warning system may be disabled in the following condi-
tions:
(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.
5-2. Steps to take in an emergency
5
2
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