Lexus 2008 IS250 Owner's Manual page 307

How to initialize the tire pressure warning system
n
To initialize the system, use the satellite switch. ( P. 245)
Park the vehicle in safe place and turn the "ENGINE START
STEP 1
STOP" switch OFF.
While the vehicle is moving, initialization is not performed.
Adjust the tire inflation pressure to the specified cold tire inflation
STEP 2
pressure level. ( P. 415)
Make sure to adjust the tire pressure to the specified cold tire inflation
pressure level. The tire pressure warning system will operate based on
this pressure level.
Turn the "ENGINE START STOP" switch to IGNITION ON
STEP 3
mode.
STEP 4
Wait for a few minutes with the IGNITION ON mode, and then
STEP 5
turn the "ENGINE START STOP" switch OFF.
4-3. Do-it-yourself maintenance
The tire inflation pressure initial-
ization setting display
Continue to press
initialization setting
appears.
It may take several minutes to com-
plete the setting. Wait for several
minutes before
"ENGINE START STOP" switch to
OFF if necessary.
Recording tire inflation pressure
settings
Press and hold the "ON/OFF" but-
ton until the tire pressure warning
light blinks slowly 3 times and the
message "PRESSURE INITIAL"
showing that the initial setting is
complete is displayed on the multi-
information display.
or until the
4
display
turning the
309