2009 Lexus IS 350 Owners Manual - Page 327

4-3. Do-it-yourself maintenance Recording tire inflation pressure settings Push and hold the "ON/OFF" button until the tire pressure warning light blinks slowly three times and the message "PRESSURE INITIAL" appears on the multi-information display. STEP 5 Wait for a few minutes with the IGNITION ON mode, and then turn the "ENGINE START STOP" switch OFF. Registering and selecting ID codes To select tire pressure warning valve and transmitter ID codes, use the satellite switch. (→P. 260) 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. 4 Maintenance and care 329