Mazda CX-9 2019 Owner's Manual page 250

When Driving
Brake
▼ Electric Parking Brake (EPB)
The EPB equipment applies the parking
brake using an electric motor. When the
parking brake is applied, the EPB switch
indicator light turns on.
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, release the parking brake
and verify that the brake system warning
light is turned off.
NOTE
The parking brake cannot be applied or

released while the vehicle battery is
dead.
If the EPB is repeatedly applied and

released it may stop operating to
prevent overheating of the motor. If this
occurs, wait approx. 1 minute before
operating the EPB switch again.
4-90
An operation sound occurs when

applying or releasing the parking brake,
however, this does not indicate a
malfunction.
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 the parking brake is applied and

the ignition is switched OFF, an
operation sound can be heard, however,
this does not indicate a problem.
The brake pedal may move while the

parking brake is being applied or
released, however, this does not indicate
a problem.
If the EPB switch is continually pulled

while driving the vehicle, the parking
brake will be applied and the EPB
warning beep will be activated. When
the switch is released, the parking brake
is released and the beep stops.
If the parking brake is applied with the

ignition switched off or in ACC, the
brake system warning light in the
instrument cluster and the indicator
light in the switch may turn on for 15
seconds.
When running the vehicle through an

automatic car wash, it may be necessary
to switch the ignition off with the
parking brake released depending on
the type of automatic car wash.
When applying the parking brake
The parking brake can be applied
regardless of the ignition switch position.
Securely depress the brake pedal and pull
up the EPB switch.