Acura 2007 RL Owner's Manual page 375

It is possible that the pressures
shown on the multi-information
display and the pressures you
manually measure are slightly
different.
If the difference is significant or you
cannot make the low tire pressure
indicator and message on the multi-
information display go out after
inflating the tires to the specified
values, have your dealer check the
system as soon as possible.
Tire Pressure Monitoring System (TPMS)
Check TPMS System Message
If there is a problem with the TPMS,
the multi-information display shows
a ''CHECK TPMS SYSTEM''
message.
If you see this message, the tire
pressure monitor shows a ''SYSTEM
FUNCTION ERROR'' message. The
system may not be able to detect or
signal low tire pressure as intended.
Also, the tire pressure readings will
not be displayed. Have your vehicle
checked by a dealer as soon as
possible.
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