2010 Toyota Sienna Owners Manual - Page 532

5-2. Steps to take in an emergency Warning light Warning light/Details Engine oil replacement reminder light Illuminates for about 3 seconds and then flashes for about 12 seconds approximately 4500 miles (7200 km) after the engine oil is changed: Indicates that the engine oil is scheduled to be changed. Comes on and remains on if the distance driven exceeds 5000 miles (8000 km): Indicates that the engine oil should be changed. Correction procedure Check the engine oil, and change if necessary. (U.S.A.) Check and change the engine oil. Tire pressure warning light When the light comes on: Low tire inflation pressure When the light comes on after blinking for 1 minute: Malfunction in the tire pressure warning system Third seat warning light*2 Indicates that the third seat operation is not yet complete. Adjust the tire inflation pressure. Have the system checked by your Toyota dealer. Complete the third seat operation. 508