Lexus GX 460 2020 Owner's Manual page 512

When registering ID codes
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ID code registration is performed while driving at a vehicle speed of approximately 40
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km/h (25 mph) or more.
Before performing ID code registration, make sure that no wheels with tire pressure
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warning valve and transmitters installed are near the vehicle.
Initialize the tire pressure warning system after ID code registration. Initialization is dis-
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abled if the system was initialized before registration.
After ID code registration, the tires are hot by driving. Initialize the tire pressure warn-
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ing system after the tires become cold.
ID codes can be registered by yourself, but depending on the driving conditions and
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driving environment, registration may take some time to complete.
Canceling the change wheel set mode
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If turning the engine switch off when in the change wheel set mode before driving, the
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change wheel set mode is canceled.
After driving when in the change wheel set mode, the change wheel set mode cannot
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be canceled. To cancel the mode, perform the procedure for ID code registration again
and turn the engine switch off before driving.
If the change wheel set mode is canceled, the ID codes that have already been regis-
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tered are communicated. When communication is finished, the tire pressure warning
light will turn off.
GX460_OM_OM60R28E_(GE)
6-3. Do-it-yourself maintenance
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