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336
6-3. Do-it-yourself maintenance
NOTICE
To avoid damage to the tire pressure
■
warning valves and transmitters
When a tire is repaired with liquid seal-
ants, the tire pressure warning valve and
transmitter may not operate properly. If a
liquid sealant is used, contact your Lexus
dealer or other qualified service shop as
soon as possible. After use of liquid seal-
ant, make sure to replace the tire pres-
sure warning valve and transmitter when
repairing or replacing the tire.
Initializing the tire pressure
warning system
The tire pressure warning system
■
must be initialized in the following
circumstances:
When rotating the tires.
When the tire inflation pressure is
changed such as when changing tire
size. (When there are multiple spec-
ified pressures)
After registering the ID codes.
(P.337)
When the tire pressure warning sys-
tem is initialized, the current tire infla-
tion pressure is set as the benchmark
pressure.
How to initialize the tire pressure
■
warning system
1
Park the vehicle in a safe place and
stop the engine for 20 minutes or
more.
Initialization cannot be performed while
the vehicle is moving.
2
Adjust the tire inflation pressure to
the specified cold tire inflation
pressure level.
Make sure to adjust the tire pressure to the
specified cold tire inflation pressure level.
The tire pressure warning system will oper-
ate based on this pressure level.
3
Start the engine (P.152)
4
Press
or
trol switches and select
5
Press
or
trol switches and select "Vehicle
Settings", then press "OK".
6
Press
or
trol switches and select "TPWS",
then press "OK".
7
Press
or
trol switches and select "Set Pres-
sure". Then press and hold "OK"
until the tire pressure warning light
starts blinking.
A message is displayed on the multi-infor-
mation display. Also, "--" is displayed for
inflation pressure of each tire on the multi-
information display while the tire pressure
warning system determines the position.
8
Drive at approximately 25 mph
(40 km/h) or more for approxi-
mately 10 to 30 minutes.
When initialization is complete, the infla-
tion pressure of each tire will be displayed
on the multi-information display.
Even if the vehicle is not driven at approxi-
mately 25 mph (40 km/h) or more, initial-
of the meter con-
.
of the meter con-
of the meter con-
of the meter con-
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