2004 Toyota Sienna Owners Manual - Page 189

04 SIENNA_U (L/O 0408) Once the ignition switch is turned off, the warning light also goes off. If the light comes on again when the vehicle is started after adjusting the tire pressure to the specified level, have the tire pressure warning system checked at your Toyota dealer. If you have a flat tire, replace it with the spare tire. For details, see "If you have a flat tire" on page 411 in Section 4. Vehicles with run−flat tires- Decelerate at a speed below 90 km/h (55 mph), then adjust the tire pressure to the specified level as soon as possible. Do not drive more than 160 km (100 miles). Once the ignition switch is turned off, the warning light also goes off. If the light comes on again when the vehicle is started after adjusting the tire pressure to the specified level, have the tire pressure warning system checked at your Toyota dealer. For details about the run−flat tires, see "Run−flat tires" on page 469 in Section 7−2. If the warning light blinks once every second: The low tire pressure warning system may be malfunctioning. Contact your Toyota dealer. If the warning light blinks twice every second: The low tire pressure warning system needs to be initialized. Reset the system with the tire pressure warning system reset switch. (To reset the system, see "TIRE PRESSURE WARNING SYSTEM RESET SWITCH".) The tire pressure warning system does not function properly under certain circumstances. In the following cases, the low tire pressure warning light may not come on even if the tire pressure is low, or it may come on when the tire pressure is actually normal. D The tread wear is uneven among the tires. D A compact spare tire, snow tires, or tire chains are used. D The tire pressure is excessively higher than specified, or tire pressure suddenly drops due to bursting or other causes. D The vehicle is driven on a slippery road surface such as rough or frozen roads. D When the tire pressure is below 140 kPa (1.4 kgf/cm2 or bar, 20 psi), consult your Toyota dealer. If the tire is flat or the tire pressure is below 100 kPa (1.0 kgf/cm2 or bar, 15 psi), the tire must be replaced. Do not use the repaired tire. kgf/cm2 or bar, 20 psi) or more, adjust it to specified level. (See "Tires" on page 491 in Section 8.) D The vehicle speed is less than 30 km/h (19 mph) or more than 100 km/h (62 mph), and the driving duration is less than 5 minutes. D When the tire pressure is 140 kPa (1.4 D The tires differ in tread pattern or manufacturer. D The tires are not the specified size. D The tread wear is very different among the installed tires. D The pressure of two or more tires drops at the same time. 189 2004 SIENNA from Aug. '04 Prod. (OM45422U)