2005 Toyota Sienna Owners Manual - Page 199

05 SIENNA_U (L/O 0409) To initialize the system, perform the following: 1. Park the vehicle at a safe place and apply the parking brake. Stop the engine. 2. Adjust the pressure of all the installed tires to the specified level. (See "Tires" on page 499 in Section 8.) 3. Turn the ignition key to "ON". 4. Push and hold the reset switch until the low tire pressure warning light blinks three times. TIRE PRESSURE RESET SWITCH WARNING SYSTEM 5. Initialization is completed after driving at the speeds of 30 km/h (19 mph) or over for about 8 hours total, when the tire pressure warning system detects the normal tire pressure. When initializing the system, make sure the low tire pressure warning light blinks three times. If the warning light does not blink three times, initializing will be failed and the tire pressure warning system will not function properly. Do not push the reset switch without adjusting the tire pressure to the specified level. Otherwise, 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. If you push the reset switch while the vehicle is moving, initialization is not performed. The tire pressure warning system need to be initialized in the following conditions: D When the low tire pressure warning light blinks twice every second D After replacing or rotating tires or wheels When initializing the system, the present tire condition is stored as a standard. 199 2005 SIENNA from Sep. '04 Prod. (OM45431U)