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420
7-3. Do-it-yourself maintenance
COROLLA HV_U
sure warning light blinks 3
times.
■ Initialization procedure
● Make sure to carry out initializa-
tion after adjusting the tire inflation
pressure.
Also, make sure the tires are cold
before carrying out initialization or
tire inflation pressure adjustment.
● If you have accidentally turned the
power switch off during initializa-
tion, it is not necessary to press
the reset switch again as initializa-
tion will restart automatically when
the power switch to ON for the
next time.
● If initialization has accidentally
been started when it is not neces-
sary, adjust the tire inflation pres-
sure to the specified level when
the tires are cold, and then per-
form the initialization procedure
again.
■ When initialization of the tire
pressure warning system has
failed
Initialization can be completed in a
few minutes. However, in the follow-
ing cases, the settings have not
been recorded and the system will
not operate properly. If repeated
attempts to record tire inflation pres-
sure settings are unsuccessful,
have the vehicle inspected by your
Toyota dealer.
● When attempting to start initializa-
tion, the tire pressure warning light
does not blink 3 times.
● After driving for a certain period of
time since the initialization has
been completed, the warning light
comes on after blinking for 1 min-
ute.
The tire pressure warning valve
and transmitter is equipped with
a unique ID code. When replac-
ing a tire pressure warning valve
and transmitter, it is necessary
to register the ID code. Have the
ID code registered by your Toy-
ota dealer.
Your vehicle is equipped with
tire pressure warning system
with the function to have ID
codes registered for a second
wheel set, for example a winter
set, by Toyota dealer.
After registration of a second
wheel set, either of these two
wheel sets can be selected for
usage with the tire pressure
warning system.
WARNING
■ When initializing the tire pres-
sure warning system
Do not initialize the tire pressure
warning system without first
adjusting the tire inflation pres-
sure to the specified level. Other-
wise, the tire pressure warning
light may not come on even if the
tire inflation pressure is low, or it
may come on when the tire infla-
tion pressure is actually normal.
Registering ID codes
Selecting wheel set
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