Toyota Camry: If the tire pressure warning system is not functioning (vehicles with 
a tire pressure warning system) - If a warning light turns on or a warning buzzer sounds... - Steps to take in an emergency - When trouble arises - Toyota Camry Owners ManualToyota Camry: If the tire pressure warning system is not functioning (vehicles with a tire pressure warning system)

The tire pressure warning system will be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
●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 tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or higher

The tire pressure warning system may be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies are nearby.
●If a radio set at a similar frequencies is in use in the vehicle
●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 non-genuine Toyota wheels are used. (Even if you use Toyota wheels, the tire pressure warning system may not work properly with some types of tires.)
●If tire chains are used

    When a tire is replaced with a spare tire (vehicles with a tire pressure warning system)
    The compact spare tire is not equipped with a tire pressure warning valve and transmitter. If a tire goes flat, the tire pressure warning light will not turn off even though the flat tire has been ...

    If the tire pressure warning light frequently comes on after blinking for 1 minute (vehicles with a tire pressure warning system)
    If the tire pressure warning light frequently comes on after blinking for 1 minute when the engine switch (vehicles without a smart key system) or the “ENGINE START STOP” switch (vehicles with ...

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