Subaru BRZ 2017 Owner's Manual page 426

5-2. Steps to take in an emergency
■ If the tire pressure monitoring system is inoperative (if equipped)
The tire pressure monitoring system will be disabled in the following con-
ditions:
(When the condition becomes normal, the system will work properly.)
● If tires not equipped with tire pressure warning valves and transmit-
ters 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 380 kPa (3.87 kgf/cm
higher.
The tire pressure monitoring 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 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, in particular around the
wheels or wheel housings.
● If non-genuine SUBARU wheels are used. (Even if you use SUBARU
wheels, the tire pressure monitoring system may not work properly
with some types of tires.)
● If tire chains are used.
● If a large metallic object which can interfere with signal reception is
put in the luggage compartment.
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