2009 Toyota Avalon Owners Manual - Page 362

4-3. Do-it-yourself maintenance n How to initialize the tire pressure warning system STEP 1 Park the vehicle in safe place and turn the "ENGINE START STOP" switch or the engine switch OFF. While the vehicle is moving, initialization is not performed. STEP 2 Adjust the tire inflation pressure to the specified cold tire inflation pressure level. (→P. 428) Make sure to adjust the tire pressure to the specified cold tire inflation pressure level. The tire pressure warning system will operate based on this pressure level. STEP 3 Turn the "ENGINE START STOP" switch to IGNITION ON mode (vehicles with smart key system) or the engine switch to the "ON" position (vehicles without smart key system). Push and hold the tire pressure warning reset switch about 3 seconds. After releasing the switch, check that the tire pressure warning light blinks slowly three times. STEP 4 STEP 5 Vehicles with smart key system: Wait for a few minutes with the "ENGINE START STOP" switch in IGNITION ON mode, and then turn the "ENGINE START STOP" switch OFF. Vehicles without smart key system: Wait for a few minutes with the engine switch in the "ON" position, and then turn the engine switch to the "LOCK" position. 338