2012 Toyota Sienna Owners Manual - Page 765

5-2. Steps to take in an emergency Warning light Warning light/Details Maintenance required reminder light Indicates that maintenance is requires according to the driven distance on the maintenance schedule.*3 Illuminates for about 3 seconds and then flashes for about 15 seconds approximately 4500 miles (7200 km) after the maintenance data has been reset. Comes on and remains on if the distance driven exceeds 5000 miles (8000 km) after the maintenance data has been reset. (The indicator will not work property unless the maintenance data has been reset.) Third seat warning light (if equipped) Indicates that the third seat operation is not yet complete. Correction procedure If necessary, perform maintenance. (U.S.A.) Perform the necessary maintenance. Please reset the maintenance is performed. (→P. 640) 5 Complete the third seat operation. When trouble arises 735 SIENNA_U (OM45477U)