2007 Lexus RX 400h Owners Manual - Page 332
2007 Lexus RX 400h Manual
Page 332 highlights
4-3. Do-it-yourself maintenance Registering and selecting ID codes The tire pressure warning valve & transmitter is equipped with a unique ID code. When you change to another tire set that has tire pressure warning valve & transmitter registered to the vehicle, use the select switch to allow the vehicle to recognize them. n Registering ID codes 2 sets of tire pressure warning valve & transmitter ID codes can be registered. Once a second set of tires is registered at "2nd", you can switch between tire set settings simply by pressing the tire pressure warning select switch. There are 2 settings: "MAIN" position: The ID code of the tire pressure warning valve & transmitter on the tires originally installed on the vehicle is registered. "2nd" position: The code is not registered. When you replace a new set of tires, purchase tire pressure warning valve & transmitters from your Lexus dealer and have the new ID code registered by your Lexus dealer. 310