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592 7-3. Do-it-yourself maintenance warning valves and transmitters are used. • If the ID code on the tire pressure warning valves and transmitters is not registered in the tire pressure warning computer. ● Performance may be affected in the following situations. • Near a TV tower, electric power plant, gas station, radio station, large display, airport or other facil- ity that generates strong radio waves or electrical noise • When carrying a portable radio, cellular phone, cordless phone or other wireless communication device If tire position information is not cor- the radio wave conditions. ● When the vehicle is parked, the time taken for the warning to start or go off could be extended. ● When tire inflation pressure declines rapidly for example when a tire has burst, the warning may not function. ■ Warning performance of the tire pressure warning system (if equipped) The warning of the tire pressure warning system will change in accordance with the conditions under which it was initialized. For this reason, the system may give a warning even if the tire pressure does not reach a low enough level, or if the pressure is higher than the pressure that was adjusted to when the system was initialized. ■ Certification for tire pressure warning system For vehicles sold in the U.S.A., Hawaii, American Samoa, Guam, Saipan and Puerto Rico |