Lexus IS 250C 2014 Manual page 433

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How to initialize the tire pressure warning system
To initialize the system, use the satellite switch. (P. 366)
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. 563)
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 "
the initialization setting display
appears.
Recording tire inflation pressure
settings
Push and hold the "ON/OFF" but-
ton until the tire pressure warning
light blinks slowly three times.
 
" or " " until
4
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