2009 Lexus RX 350 Owners Manual - Page 330
2009 Lexus RX 350 Manual
Page 330 highlights
4-3. Do-it-yourself maintenance STEP 4 Push and hold the tire pressure warning reset switch until the tire pressure warning light blinks slowly three times. STEP 5 Wait for a few minutes with the engine switch is in the ON position, and then turn the engine switch OFF. Registering and selecting ID codes n Registering ID codes 2 sets of tire pressure warning valve and 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 and transmitter on the tires originally installed on the vehicle is registered. "2nd" position: The ID code is not registered. When you replace a new set of tires, purchase tire pressure warning valves and transmitters from your Lexus dealer and have the new ID code registered by your Lexus dealer. 334