Mazda 3 2020 Owner's Manual page 234

When Driving
Brake
▼ Electric Parking Brake (EPB)
The EPB system applies the parking
brake using an electric motor. The
system can operate automatically and
manually.
The EPB switch indicator light turns on
when applying the parking brake and it
turns off when releasing the parking
brake.
1. Indicator light
WARNING
Do not drive the vehicle with the
parking brake applied:
If the vehicle is driven with the parking
brake applied, the brake parts may
generate heat and the brake system
may not operate, leading to an
accident.
Before driving the vehicle, release the
parking brake and make sure that the
EPB indicator light in the instrument
cluster turns off.
4-76
Apply the parking brake when leaving
the vehicle:
Not applying the parking brake when
parking the vehicle is dangerous as the
vehicle may move unexpectedly and
result in an accident. Before leaving the
vehicle, apply the parking brake and
make sure that the EPB indicator light
in the instrument cluster turns on.
NOTE
The parking brake cannot be applied

or released while the vehicle battery
is dead.
Refer to If a Jump-Starting on page
7-43.
When the charging system warning

light in the instrument cluster turns
on, the parking brake cannot be
applied after switching the ignition
OFF. Before switching the ignition
OFF, apply the parking brake
manually.
The sound of the parking brake being

applied or released can be heard,
however, this does not indicate a
problem.
If the EPB is not used for long

periods, an automatic inspection of
the system is performed while the
vehicle is parked. An operation
sound can be heard, however, this
does not indicate a problem.
When applying the parking brake

and switching OFF the ignition, an
operation sound can be heard,
however, this does not indicate a
problem.
The brake pedal may move while

applying or releasing the parking
brake, however, this does not
indicate a problem.