2009 Toyota Sienna Owners Manual - Page 481

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 several minutes with the engine switch in the "ON" position, and then turn the engine switch to the "ACC" or "LOCK" position. Registering ID codes The tire pressure warning valve and transmitter is equipped with a unique ID code. When replacing a tire pressure warning valve and transmitter, it is necessary to register the ID code of tire pressure warning valve and transmitter. Have the ID code registered by your Toyota dealer. 456