Lexus IS250 2009 Service Manual page 326

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4-3. Do-it-yourself maintenance
How to initialize the tire pressure warning system
n
To initialize the system, use the satellite switch. ( P. 260)
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. 439)
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
328
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.
or
until the
display
turning
the

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