Acura 2009 TSX Owner's Manual page 397

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Tire Pressure Monitoring System (TPMS)
U.S. model
To see the inflation pressures of all
four tires, press the SEL/RESET
button. The display changes as
shown above.
394
Canadian model
Each tire pressure is shown in PSI
(U.S. models) or in kPa (Canadian
models).
2009 TSX
This shows that front left tire is
losing pressure.
Each tire has its own pressure
sensor. If the air pressure of a tire
becomes significantly low, the
sensor in that tire immediately sends
a signal that causes the low tire
pressure/TPMS indicator in the
instrument panel to come on. If this
happens, you will see which tire is
losing pressure on the multi-
information display along with a
''CHECK TIRE PRESSURE''
message.