2008 Toyota Sienna Owners Manual - Page 259

08 SIENNA_U (L/O 0801) NOTICE z Do not use liquid sealants for a flat tire as tire pressure warning valve and transmitter will be damaged. z When the tires must be repaired or replaced, have them repaired or replaced by the nearest Toyota dealer or an authorized tire dealer. The tire pressure warning valves and transmitters will be affected by the installation or removal of tires. IF THE TIRE PRESSURE WARNING LIGHT COMES ON AFTER BLINKING FOR 1 MINUTE...If the tire pressure warning light comes on after blinking for 1 minute when the engine switch is in "ON" position, the tire pressure warning system is not working properly. The system will be disabled in the following conditions: (When the condition becomes normal, the system will work properly.) D If the ID code on the tire pressure warning valves and transmitters is not registered in the tire pressure warning computer. The system may be disabled in the following conditions: (When the condition becomes normal, the system will work properly.) D If electronic devices or facilities using similar radio nearby. wave frequencies are D If a radio set at similar frequencies is in use in the vehicle. D If a window tint that affects the radio wave signals is installed. D If there is a lot of snow or ice on the vehicle, in particular around the wheels or wheel housings. D If non−genuine Toyota wheels are used. D If tire chains are used. If the tire pressure warning light continues to come on after blinking for 1 minute when the engine switch is in "ON" position, have the system checked by your Toyota dealer. D If tires not equipped with tire pressure warning used. valves and transmitters are 218 2008 SIENNA from Aug. '08 Prod. (OM45455U)