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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.
1
Press
or
trol switch to select
2
Press
or
Settings" and then press
3
Press
or
and then press
LS500h_OM_OM50F42U_(U)
6-3. Do-it-yourself maintenance
4
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.
5
Registration is complete when the tire
pressure warning light turns off and the
inflation pressure of each tire is displayed
on the multiinformation display.
Registration may take longer than approxi-
mately 1 hour in certain situations, such as
when the vehicle is stopped for a long time
at traffic lights, etc. (→P.404)
of the meter con-
After registering the ID codes, make sure
.
to initialize the tire pressure warning sys-
tem. (→P.401)
to select "Vehicle
■
.
●
to select "TPWS"
.
●
Press
or
to select "Change
Wheel Set". Then press and hold
until the tire pressure warning
light blinks slowly 3 times.
Drive straight (with occasional left
and right turns) at approximately
25 mph (40 km/h) or more for
approximately 10 to 30 minutes.
When registering ID codes
Before performing ID code registration,
make sure that no wheels with tire pres-
sure warning valve and transmitters
installed are near the vehicle.
Make sure to initialize the tire pressure
warning system after registering the ID
403
6
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