Mazda Mazda3 2019 Owner's Manual page 502

If Trouble Arises
Warning/Indicator Lights and Warning Sounds
When a small child sits on the front

passenger seat, it is possible that the
warning beep will not operate.
Rear seat
The warning beep only sounds if a seat
belt is unfastened after being fastened.
▼ Ignition Not Switched Off (STOP)
Warning Beep
If the driver's door is opened with the
ignition switched to ACC, a beep will be
heard continuously in the cabin to notify
the driver that the ignition has not been
switched OFF (STOP). Under this
condition, the keyless entry system will
not operate, the vehicle cannot be locked,
and the battery voltage will be depleted.
▼ Key Removed from Vehicle Warning
Beep
Vehicles with advanced keyless function
If the key is taken out of the vehicle while
the ignition is not switched OFF and all
the doors are closed, the beep which
sounds outside of the vehicle will be heard
6 times, and after that, the beep which
sounds inside the vehicle will be heard 1
times.
Vehicles without advanced keyless
function
If the key is taken out of the vehicle while
the ignition is not switched OFF and all
the doors are closed, a beep will be heard
in the cabin 1 times.
7-38
NOTE
Because the key utilizes low-intensity
radio waves, the Key Removed From
Vehicle Warning may activate if the key is
carried together with a metal object or it
is placed in a poor signal reception area.
▼ Touch Sensor Inoperable Warning
Beep (With the advanced keyless
function)
A warning beep is activated to notify the
driver that the doors are not locked when
all of the following conditions are met:
The ignition is switched OFF.

All the doors and liftgate/boot lid are not

fully closed.
The lock is operated 3 times within 5

seconds.
Check the ignition and whether the doors
and liftgate/boot lid are open or closed,
and then operate the lock again.
▼ Key Left-in-luggage Compartment/
Boot Warning Beep (With the
advanced keyless function)
If the key is left in the luggage
compartment/boot with all the doors
locked and the liftgate/boot lid closed, a
beep will be heard outside for about 10
seconds to notify the driver that the key is
in the luggage compartment/boot. In this
case, take out the key by pressing the
electric liftgate/boot lid opener and
opening the liftgate/boot lid. The key
taken out of the luggage compartment/
boot may not operate because its functions
have been temporarily stopped. To restore
the key's functions, perform the applicable
procedure (page 3-7).