Mazda 2014 3 - Vehicle Maintenance and Operation; Tires and TPMS

7
Tires
TIRE PRESSURE MONITORING SYSTEM (TPMS)
For your safety, the Mazda3 is equipped with TPMS that detects low tire
pressure in one or more tires. If the tire pressure starts getting low in
one or more tires, the system alerts the driver by turning on a light in the
instrument cluster (p. 35-38) and sounding an alarm.
What to do: Don’t ignore the TPMS warning light. Stop and check your
tire pressure (when tires are cold) and inate them to the proper pressure.
Properly inated tires are safer, last longer, and increase fuel economy.
In the following cases, the TPMS must be “initialized” so the system can
operate normally.
 • Thetirepressureisadjusted(upordown)inoneormoretires.
 • Atirerotationisperformed.
 • Anytireorwheelisreplaced.
 • Thevehicle’sbatteryisdisconnected,replacedorcompletelydead.
Initialization Process (TPMS Warning Light is Illuminated):
1 Park the vehicle in a safe place and rmly apply the parking brake.
2 Let the tires cool, then adjust the tire pressure to the specied
pressure (See tire label located on the driver’s side door jam area) on
all four (4) tires.
3 Switch the ignition ON, but leave the vehicle parked.
4 Push and hold the TPMS “Set Switch” (left side of dash)
until the TPMS warning light
in the
instrument cluster ashes twice and
a beep sound is heard once.
CAUTION: If the TPMS “Set Switch” is pushed without adjusting the tire
pressure, the system cannot detect the normal tire pressure. The TPMS
warning light may not turn on, even if the tire pressure is low, or it may turn
on if the tire pressure is normal.
NOTE: Drastic changes in temperature or altitude may cause the TPMS
warning light to turn on.
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