2019 MAZDA MODEL 3 HATCHBACK ignition

Rear Window Defogger
▼Rear Window Defogger
The rear window defogger clears fog from
the rear window.

The ignition must be switched ON to use
the defogger.

Press the switch to turn on the rear
window defogger. The rear window
defogger operates for about 15 minutes
and then turns off automatically.
The indicator light illuminates when the
defogger is operating.

To turn off the rear window defogger
before the 15 minutes has elapsed, press
the switch again.
1. Indicator light
CAUTION

Do not use sharp instruments or window
cleaners with abrasives to clean the
inside of the rear window surface. They
may damage the defogger grid inside the
window.
NOTE
This defogger is not designed for
melting snow. If there is an
accumulation of snow on the rear
window, remove it before using the
defogger.
The rear window defogger operation
time can be changed from 15 minutes to
continuous operation. When the
operation time has been switched to
continuous operation, by pressing the
switch, the rear window defogger will
continue to operate until the ignition is
switched OFF.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
▼ Windshield Wiper De-icer*
The thermal filaments
at the following
positions heat up and facilitate the removal
of snow accumulated on the windshield.
The windshield wiper de-icer operates in
conjunction with the rear window
defogger.
When Driving
Switches and Controls
*Some models.4-55
Mazda3_8HE9-EA-18K_Edition1 2018-10-17 19:05:10

To turn on the windshield wiper de-icer,
switch the ignition ON and press the rear
window defogger switch (page 4-55).
1. Indicator light
▼ Mirror Defogger*
The mirror defoggers defrost the outside
mirrors.

The mirror defoggers operate in
conjunction with the rear window
defogger.
To turn on the mirror defoggers, switch the
ignition ON and press the rear window
defogger switch (page 4-55).
1. Indicator light
Horn
▼ Horn
To sound the horn, press the mark on
the steering wheel.
When Driving
Switches and Controls
4-56*Some models.
Mazda3_8HE9-EA-18K_Edition1 2018-10-17 19:05:10

▼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
WA R N I N G
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.
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
7-16.
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.
When Driving
Brake
4-63
Mazda3_8HE9-EA-18K_Edition1
2018-10-17 19:05:10

If there is a problem with the brake
system (foot brake) while driving the
vehicle, continually pulling up the EPB
switch will apply the brakes and
decelerate or stop the vehicle. The
parking brake on-reminder sound is
activated while the brake is applied. In
addition, when releasing the switch, the
brake is released and the sound stops.
If the parking brake is applied with the
ignition switched OFF or in ACC, the
EPB indicator light in the instrument
cluster and the indicator light in the
switch may turn on for 15 seconds.
When using an automatic car wash
which moves the vehic le with the front
tires mounted, it is necessary to cancel
the parking brake auto operation before
the vehicle enters the automatic car
wash. For details, refe r to Canceling the
parking brake automatic operation.
Manual operation
Applying the parking brake manually
When the brake pedal is firmly depressed
and the EPB switch is pulled up, the
parking brake is applied regardless of the
ignition position. Whe n the parking brake
is applied, the EPB in dicator light in the
instrument cluster and the EPB switch
indicator light turn on.
Releasing the parking brake manually
When the parking brake is firmly
depressed and the EPB switch is pressed
while the ignition is switched ON or the
engine is running, the parking brake is
released. When the parking brake is
released, the EPB indicator light in the
instrument cluster a nd the EPB switch
indicator light turn off.
If the EPB switch is pressed without
depressing the brake pedal, a message is
displayed on the multi-information display
to notify the driver to depress the brake
pedal.
Refer to Message Indicated on
Multi-information Display on page 7-38.
Auto operation
Applying the parking brake
automatically
When the ignition is switched from ON to
ACC or OFF, the parking brake will be
applied automatically. When the parking
brake is applied, the EPB indicator light in
the instrument cluster and the EPB switch
indicator light turn on.
When Driving
Brake
4-64
Mazda3_8HE9-EA-18K_Edition1 2018-10-17 19:05:10

NOTE
To release the parking brake when the
ignition is switched OFF, it is necessary to
cancel the parking brake auto operation.
For details, refer to Canceling the parking
brake automatic operation.
Releasing the parking brake
automatically
If the accelerator pe dal is depressed with
the parking brake applied and all of the
following conditions met, the parking
brake is released automatically. When the
parking brake is released, the EPB
indicator light in the instrument cluster
and the EPB switch indicator light turn
off.
The engine is running.
The driver's door is closed.
The driver's seat belt is fastened.
(Manual transmission vehicle)
The shift lever is in a position other
than neutral.
The clutch pedal is depressed halfway.
(Automatic transmission vehicle)
The selector lever is in the D, M, or R
position.
NOTE
If something such as the driver's foot
contacts the accelerator pedal with the
engine running and the parking brake
applied, the parking brake might be
released automatically. If you do not
intend to start driving the vehicle
immediately, shift the shift lever to the
neutral position for a manual
transmission, or shift the selector lever to
the P or N position for an automatic
transmission.
Canceling the parking brake automatic
operation
The parking brake automatic operation can
be canceled by doing any of the following
after switching the ignition from ON to
OFF.
Auto operation cancel method 1
1. Switch the ignition ON.
2. Turn off the AUTOHOLD.
3. Press the EPB switch continuously for 2 seconds or longer (until a sound is
activated).
4. Release the EPB switch and switch the ignition OFF within 5 seconds after the
sound was activated.
After the auto opera tion is canceled, a
sound is activated one time, and the
EPB switch indicator light switches
from illumination to flashing, and then
turns off after 3 seconds.
Auto operation cancel method 2
1. Switch the ignition ON.
2. Turn off the AUTOHOLD.
3. Switch the ignition OFF with the EPB switch pressed.
When the auto operation is canceled, a
sound is activated one time, and the
EPB switch indicator light from
normal flashing to faster flashing, and
then turns off after 3 seconds.
NOTE
When canceling the parking brake auto
operation and parking the vehicle, shift
the shift lever to the 1st gear or the R
position for a manual transmission, or
shift the selector lever to the P position
for an automatic transmission, and then
use wheel blocks.
When Driving
Brake
4-65
Mazda3_8HE9-EA-18K_Edition1 2018-10-17 19:05:10

The auto operation may not cancel if the
vehicle is parked on a steep slope.
When the ignition is switched ON, the
parking brake auto operation is restored.
▼ Warning Light
The warning light
turns on when the
system has a malfunction.
Refer to Brake S ystem Warning
Indication/Warning Light on page 7-26.
▼ Brake Pad Wear Indicator
When the disc brake pads become worn,
the built-in wear indicators contact the
disc plates. This causes a screeching noise
to warn that the pads should be replaced.
When you hear this noise, consult an
Authorized Mazda Dealer as soon as
possible.
WA R N I N G
Do not drive with worn disc pads:
Driving with worn disc pads is dangerous.
The brakes could fail and cause a serious
accident. As soon as you hear a screeching
noise consult an Authorized Mazda Dealer.
NOTE
In high humidity weather conditions,
brake noises, such as brake squeak or
brake squeal can be heard. It does not
indicate a malfunction.
▼ Brake Assist
During emergency braking situations
when it is necessary to depress the brake
pedal with greater force, the brake assist
system provides braking assistance, thus
enhancing braking performance.

When the brake pedal is depressed hard or
depressed more quickly, the brakes apply
more firmly.
NOTE
When the brake pedal is depressed hard
or depressed more quickly, the pedal
will feel softer but the brakes will apply
more firmly. This is a normal effect of
the brake assist operation and does not
indicate a malfunction.
When the brake pedal is depressed hard
or depressed more quickly, a motor/
pump operation noise may be heard.
This is a normal effect of the brake
assist and does not indicate a
malfunction.
The brake assist equipment does not
supersede the functionality of the
vehicle's main braking system.
▼Brake Override System
The brake override system applies the
brake first for safety if the brake pedal and
accelerator pedal are depressed at the same
time.
When Driving
Brake
4-66
Mazda3_8HE9-EA-18K_Edition1
2018-10-17 19:05:10

CAUTION
If you stop operating the accelerator pedal before the vehicle starts moving, the force holding
the vehicle in the stopped position may weaken. Firmly depress the brake pedal or depress the
accelerator pedal to accelerate the vehicle.
NOTE
Under the following conditions, a problem with the AUTOHOLD is occurring. Have your
vehicle inspected at an Authorized Mazda Dealer as soon as possible.
A message is indicated on the multi-information display and a warning sound is
activated for about 5 seconds while the AUTOHOLD is operating or when your press
the AUTOHOLD switch.
If you switch the ignition OFF while the AUTOHOLD is operating, the parking brake is
applied automatically to assist you with parking the vehicle.
The AUTOHOLD is canceled when the selector lever/shift lever is shifted to R position
while the vehicle is on level ground, or facing up a hill or grade (as shown below).
Vehicle posture and road surface gradient AUTOHOLD operation status
Vehicle tilts forward
Operates
Level ground
Does not operate, canceled
Vehicle tilts rearward
Does not operate, canceled
: Reverse driving (select or lever/shift lever in the reverse (R) position)
When Driving
Brake
4-69
Mazda3_8HE9-EA-18K_Edition1 2018-10-17 19:05:10

▼AUTOHOLD System is Turned On
Press the AUTOHOLD switch and when
the AUTOHOLD standby indicator light
turns on, the AUTOHOLD function turns
on.
1. AUTOHOLD standby indicator light
NOTE
When all of the following conditions are
met, the AUTOHOLD standby indicator
light turns on when the AUTOHOLD
switch is pressed and the AUTOHOLD
function turns on.
The ignition is switched ON (engine is
running).
The driver's seat belt is fastened.
The driver's door is closed.
There is no problem with the
AUTOHOLD function.
To operate AUTOHOLD and hold the
brakes
1. Depress the brake pedal and bring the vehicle to a complete stop.
2. The AUTOHOLD active indicator light in the instrume nt cluster turns on
and the brakes are held.
3. The vehicle is held in its stopped position even with the brake pedal
released.
NOTE
When all of the following conditions are
met, the AUTOHOLD operates and the
brakes are held.
The ignition is switched ON (engine is
running).
The vehicle is stopped.
The brake pedal is being depressed.
The AUTOHOLD active indicator light
turns on.
The accelerator pedal is not depressed.
The driver's seat belt is fastened.
The driver's door is closed.
There is no problem with the
AUTOHOLD function.
The parking brake is released.
There is no problem with the Electric
Parking Brake (EPB) function.
(Automatic transmission vehicle)
The selector lever is in a position other
than R position or the vehicle tilts
forward with the selector lever in the R
position.
To release AUTOHOLD and start
driving the vehicle
If you do any of the following actions to
resume driving the vehicle, the brakes
release automatically and the
AUTOHOLD active indicator light turns
off.
(Manual transmission vehicle)
You start to release the clutch pedal with
the shift lever shifted to a position other
than the neutral position
(Automatic transmission vehicle)
The accelerator pedal is depressed.
When Driving
Brake
4-70
Mazda3_8HE9-EA-18K_Edition1 2018-10-17 19:05:10