Tire Pressure Warning System May Not Operate Properly; Performance May Be Affected In The Following Situations - Toyota INNOVA Owner's Manual

■ Situations in which the tire pressure warning system may not operate
properly (vehicles with tire pressure warning system)
In the following cases, the tire pressure warning system may not operate
●
properly.
• If non-genuine Toyota wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equipment)
tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains etc. are equipped.
• If a window tint that affects the 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 extremely higher than the specified level.
• If tires not equipped with tire pressure 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.
• 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
near the spare tire.

Performance may be affected in the following situations.

●
• Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electri-
cal noise
• When carrying a portable radio, cellular phone, cordless phone or other
wireless communication device
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.
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