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496
6-3. Do-it-yourself maintenance
warning valve and transmitters of your
vehicle over those of other vehicles.
If initialization is not complete after driving
for approximately 1 hour, park the vehicle in
a safe place for approximately 20 minutes
and then drive the vehicle again.
In the following situations, initialization
●
will not be started or was not completed
properly and the system will not operate
properly. Perform the initialization proce-
dure again.
• If, when attempting to start initialization,
the tire pressure warning light does not
blink 3 times.
• If, when the vehicle has been driven for
about 20 minutes after performing ini-
tialization, the tire pressure warning light
blinks for approximately 1 minute and
then illuminates.
If initialization cannot be completed after
●
performing the above procedure, con-
tact your Lexus dealer.
WARNING
When initializing the tire pressure
■
warning system
Do not initialize the tire pressure warning
system without first adjusting the tire
inflation pressure to the specified level.
Otherwise, 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 inflation pressure is
actually normal.
Registering ID codes
Every tire pressure warning valve and
transmitter has a unique ID code.
When replacing a tire pressure warn-
ing valve and transmitter, it is necessary
to register the ID codes.
The ID codes can be registered on
of the multi-information display.
LS500h_OM_General_OM50J66E
1
Park the vehicle in a safe place, turn
the power switch off, wait 20 min-
utes or more, and then start the
hybird system.
2
Press
or
of the meter con-
trol switch to select
3
Press
or
to select "Vehicle
Settings" and then press
4
Press
or
to select "TPWS"
and then press
.
Press
or
to select "Change
5
Wheel Set". Then press and hold
until the tire pressure warning
light blinks slowly 3 times.
Then a message will be displayed on the
multi-information display.
When registration is being performed, the
tire pressure warning light will blink for
approximately 1 minute then illuminate and
"---" will be displayed for the inflation pres-
sure of each tire on the multi-information
display.
6
Drive straight (with occasional left
and right turns) at approximately
40 km/h (25 mph) or more for
approximately 10 to 30 minutes.
Registration is complete when the tire
pressure warning light turns off and the
.
.
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