Honda crosstour 2015 Quick Reference Manual page 449

uuWhen DrivinguTire Pressure Monitoring System (TPMS) - Required Federal Explanation
Please note that the TPMS is not a substitute for proper tire
maintenance, and it is the driver's responsibility to maintain
correct tire pressure, even if under-inflation has not reached the
level to trigger illumination of the TPMS low tire pressure telltale.
Your vehicle has also been equipped with a TPMS malfunction
indicator to indicate when the system is not operating properly.
The TPMS malfunction indicator is provided by a separate telltale,
which displays the symbol "TPMS" when illuminated.
When the malfunction indicator is illuminated,
the system may not be able to detect or signal low tire pressure as
intended.
TPMS malfunctions may occur for a variety of reasons, including
the installation of replacement or alternate tires or wheels on the
vehicle that prevent the TPMS from functioning properly.
Always check the TPMS malfunction telltale after replacing one or
more tires or wheels on your vehicle to ensure that the
replacement or alternate tires and wheels allow the TPMS to
continue to function properly.
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