284
6-3. Do-it-yourself maintenance
• If the ID code on the tire pressure warn-
ing valves and transmitters is not regis-
tered in the tire pressure warning
computer.
● Performance may be affected in the fol-
lowing situations.
• Near a TV tower, electric power plant,
gas station, radio station, large display,
airport or other facility 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 correctly
displayed due to the radio wave conditions,
the display may be corrected by driving and
changing 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 rap-
idly for example when a tire has burst, the
warning may not function.
■ Tire pressure warning system certification
For vehicles sold in the U.S.A., Hawaii, Guam and Puerto Rico