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Situations in which the tire pressure warning system may not operate
properly
●In the following situations, the tire pressure warning system may not operate
properly.
• If non-genuine Toyota wheels are used.
• If a tire has been replaced with a tire that is not an OE (Original Equip-
ment) tire.
• If a tire has been replaced with a tire that is not of the specified size.
• If tire chains, etc. are installed.
• If a window tint that affects radio wave signals is installed.
• If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is much higher than the specified level.
• If wheels not equipped with tire pressure warning valve and transmitter
are used.
• If the ID codes of the tire pressure warning valve and transmitters are not
registered in the tire pressure warning computer.
• If the spare tire is in a location subject to poor radio wave signal recep-
*
tion.
• If a large metallic object which can interfere with signal reception is put in
the trunk.
*
: Vehicles with a full-size spare tire only
●Performance may be affected in the following situations.
• When driving near a TV tower, electric power plant, gas station, radio sta-
tion, 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
●When the vehicle is stopped, the time taken for the warning to start or turn
off may be longer.
●When the inflation pressure of a tire drops rapidly, for example when a tire
has burst, the warning may not operate.
CAMRY_HV_EE
*
6-3. Do-it-yourself maintenance
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