Mazda 2016 CX3 Owner's Manual page 243

When Driving
Tire Pressure Monitoring System
CAUTION
Each tire, including the spare (if provided), should be checked monthly when cold and
infl ated to the infl ation pressure recommended by the vehicle manufacturer on the vehicle
placard or tire infl ation pressure label. (If your vehicle has tires of a diff erent size than the
size indicated on the vehicle placard or tire infl ation pressure label, you should determine
the proper tire infl ation pressure for those tires.)
As an added safety feature, your vehicle has been equipped with a tire pressure monitoring
system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires
is signifi cantly under-infl ated. Accordingly, when the low tire pressure telltale illuminates,
you should stop and check your tires as soon as possible, and infl ate them to the proper
pressure. Driving on a signifi cantly under-infl ated tire causes the tire to overheat and can
lead to tire failure. Under-infl ation also reduces fuel effi ciency and tire tread life, and may
aff ect the vehicle's handling and stopping ability.
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-infl ation 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 combined with the low tire pressure telltale. When the
system detects a malfunction, the telltale will fl ash for approximately one minute and then
remain continuously illuminated. This sequence will continue upon subsequent vehicle
start-ups as long as the malfunction exists. 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.
To avoid false readings, the system samples for a little while before indicating a problem. As
a result it will not instantaneously register a rapid tire defl ation or blow out.
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