Mazda 3 2019 Owner's Manual page 102

Before Driving
Doors and Locks
If the key is left in the following areas

and you leave the vehicle, the doors may
be locked depending on the radio wave
conditions even if the key is left in the
vehicle.
Around the dashboard

In the storage compartments such as

the glove compartment or the center
console
On the rear parcel shelf (4–door)

Next to a communication device such

as a mobile phone
When the ignition is switched to ACC or

ON, the vehicle lock-out prevention
feature prevents you from locking
yourself out of the vehicle.
All the doors, fuel-filler lid, and liftgate
will automatically unlock if they are
locked using the power door locks with
any door or liftgate open.
If all the doors are closed even though
the liftgate/trunk lid is open, all the
doors will lock.
The vehicle lock-out prevention feature
does not operate while the ignition is
switched off.
When all doors, fuel-filler lid, and
liftgate are locked using the power door
lock with any door or the liftgate/trunk
lid open, the closed doors, fuel-filler lid,
and liftgate are locked. After that, when
all doors and the liftgate/trunk lid are
closed, all doors, fuel-filler lid, and
liftgate are locked. However, if the key is
inside the vehicle, all doors, fuel-filler
lid, and liftgate are automatically
unlocked.
(With the advanced keyless function)
The beep sound is heard for about 10
seconds to notify the driver that the key
has been left in the vehicle.
3-12
(Without the advanced keyless
function)
The horn sound is heard twice to notify
the driver that the key has been left in
the vehicle.
(Door unlock (control) system with

collision detection)
This system automatically unlocks the
doors, fuel-filler lid, and liftgate in the
event the vehicle is involved in an
accident to allow passengers to get out
of the vehicle immediately and prevent
being trapped inside. While the ignition
is switched ON and in the event the
vehicle receives an impact strong
enough to inflate the air bags, all the
doors, fuel-filler lid, and liftgate are
automatically unlocked after about 6
seconds have elapsed from the time of
the accident.
The doors, fuel-filler lid, and liftgate
may not unlock depending on how an
impact is applied, the force of the
impact, and other conditions of the
accident.
If door-related systems or the battery is
malfunctioning, the doors, fuel-filler lid,
and liftgate will not unlock.