2008 Toyota Sienna Owners Manual - Page 256

08 SIENNA_U (L/O 0801) Indicator status ON Meanings Tire inflation pressure is low Tire pressure warning system malfunction Do this Adjust the tire inflation pressure Have the system checked at your Toyota dealer D If the tire pressure warning light comes on even after tire inflation pressure adjustment, it is probable that you have a flat tire. Have the tire replaced by the nearest Toyota dealer. ON after blinking for 1 minute D Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose control of the steering wheel or the brakes. Vehicles with standard tires: CAUTION The tire pressure warning light comes on when the engine switch is in "ON" position and goes off after a few seconds. This means the tire pressure warning system is operating properly. If the tire inflation pressure becomes low, the light comes on again. In this case, adjusting the tire inflation pressure will turn off the light after several minutes. If the light comes on after blinking for 1 minute, the tire pressure warning system is not working properly. If the tire pressure warning light comes on, be sure to observe the following precautions. Failure to do so could cause loss of vehicle control and result in death or serious injury. Vehicles with run−flat tires: D Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure immediately. D If the tire pressure warning light comes on even after tire inflation pressure adjustment, it is probable that you have a flat tire. Check the tires. If the tire is flat, change to the spare tire and have the flat tire repaired by the nearest Toyota dealer. D Decelerate to the lowest appropriate speed as soon as possible. Do not drive over 90 km/h (55 mph). D Check and adjust the tire inflation pressure immediately. D Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose control of the steering wheel or the brakes. 215 2008 SIENNA from Aug. '08 Prod. (OM45455U)