Mazda 3 2019 Owner's Manual page 506

If Trouble Arises
Warning/Indicator Lights and Warning Sounds
When the light is flashing
The light flashes if the Electric Parking
Brake (EPB) has a malfunction. If the light
remains flashing even if the Electric
Parking Brake (EPB) switch is operated,
consult an Authorized Mazda Dealer as
soon as possible.
▼ Brake Override Warning Indication
This message is displayed when the
accelerator pedal and brake pedal are
depressed at the same time while driving.
Action to be taken
Release the accelerator pedal and depress
the brake pedal.
▼ Check Engine Indication/Light
If this light illuminates while driving, the
vehicle may have a problem. It is
important to note the driving conditions
when the light illuminated and consult an
Authorized Mazda Dealer.
The check engine light may illuminate in
the following cases:
The engine's electrical system has a

problem.
The emission control system has a

problem.
The fuel tank level being very low or

approaching empty.
The fuel-filler cap is missing or not

tightened securely.
7-30
*Some models.
If the check engine light remains on, or it
flashes continuously , do not drive at high
speeds and consult an Authorized Mazda
Dealer as soon as possible.
WARNING
If the check engine light turns on, do not
disconnect the battery cables.
If the battery cables are disconnected and
then reconnected, the engine could be
damaged and catch on fire.
▼ Automatic Transmission Warning
Indication/Warning Light
The indication/light illuminates when the
transmission has a problem.
CAUTION
If the automatic transmission warning
indication/light illuminates, the
transmission has an electrical problem.
Continuing to drive your Mazda in this
condition could cause damage to your
transmission. Consult an Authorized
Mazda Dealer as soon as possible.
▼ AWD Warning Indication/Warning
*
Light
*