Mazda 3 Owner's Manual page 232

Tire Pressure Monitoring System
Initialization
In the following cases, system
initialization must be performed so that the
system operates normally.
A tire pressure is adjusted.
Tire rotation is performed.
A tire or wheel is replaced.
The battery is replaced or completely
drained.
The tire pressure monitoring system
warning light is illuminated.
Initialization method
1. Park the car in a safe place and fi rmly
apply the parking brake.
2. Let the tires cool, then adjust the tire
pressure of all four (4) tires to the
specifi ed pressure indicated on the tire
pressure label located on the door jamb
of the driver's door (door open).
Refer to Tires on page 9-10 .
3. Switch the ignition ON.
4. While the vehicle is parked, press
and hold the tire pressure monitoring
system set switch and verify that
the tire pressure monitoring system
warning light in the instrument cluster
fl ashes twice and a beep sound is heard
once.
Tire Pressure Monitoring System
CAUTION
If the system initialization is performed
without adjusting the tire pressure,
the system cannot detect the normal
tire pressure and it may not illuminate
the tire pressure monitoring system
warning light even if a tire pressure is
low, or it may illuminate the light even
if the pressures are normal.
The system initialization will not be
performed if the switch is pressed while
the vehicle is being driven.
When Driving
4–107