Lexus ES350 Service Manual page 441

The initialization operation
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Make sure to carry out initialization after adjusting the tire inflation pressure.
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Also, make sure the tires are cold before carrying out initialization or tire inflation pres-
sure adjustment.
If you have accidentally turned the engine switch off during initialization, it is not neces-
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sary to press the reset switch again as initialization will restart automatically when the
engine switch has been turned to IGNITION ON mode for the next time.
If you accidentally press the reset switch when initialization is not necessary, adjust the
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tire inflation pressure to the specified level when the tires are cold, and conduct initial-
ization again.
When initialization of the tire pressure warning system has failed
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Initialization can be completed in a few minutes. However, in the following cases, the set-
tings have not been recorded and the system will not operate properly. If repeated
attempts to record tire inflation pressure settings are unsuccessful, have the vehicle
inspected by your Lexus dealer.
When operating the tire pressure warning reset switch, the tire pressure warning light
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does not blink 3 times.
After carrying out the initialization procedure, the tire pressure warning light blinks for 1
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minute then stays on after driving for 20 minutes.
Tire pressure warning system certification
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MODEL/FCC IDs:
Transmitter: PAXPMVC010
Initiator: HYQ22AAA
For vehicles sold in the U.S.A., Hawaii, Guam, Saipan, American Samoa and

Puerto Rico
Note:
This device complies with part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for com-
pliance could void the user' s authority to operate the equipment.
For vehicles sold in Canada

Transmitter
●
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
ES350_OM_OM33B64U_(U)
7-3. Do-it-yourself maintenance
I n f o r ma t i o n P r o v i d e d b y :
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