Mazda 3 Owners Manual: How to Arm the System
- Close the windows and the moonroof *
securely.
- Switch the ignition OFF.
- Make sure the hood, the doors, and the
liftgate/trunk lid are closed.
- Press the lock button on the transmitter
or lock the driver's door from the
outside with the auxiliary key.
The hazard warning lights will flash
once.
The following method will also arm the
theft-deterrent system:
Press the door-lock switch “ ” while
any door is open and then close all of
the doors.
(With the advanced keyless function)
Press a request switch.
The security indicator light in the
instrument panel flashes twice per
second for 20 seconds.

- After 20 seconds, the system is fully
armed.
NOTE
- The theft deterrent system can also be
armed by activating the auto relock
function with all the doors, the liftgate/
trunk lid and the hood closed.
Refer to Transmitter on .
- The system will disarm if one of the
following operations takes place within
20 seconds after pressing the lock
button:
- Unlocking any door.
- Opening any door or the liftgate/
trunk lid.
- Opening the hood.
- Switching the ignition ON.
- (With the advanced keyless
function)
- Pressing the electric liftgate/trunk lid
opener while the key is being carried.
- To rearm the system, do the arming
procedure again.
- When the doors are locked by pressing
the lock button on the transmitter
or using the auxiliary key while the
theft-deterrent system is armed, the
hazard warning lights will flash once to
indicate that the system is armed.
System triggering conditions
The horn sounds intermittently and the
hazard warning lights flash for about 30
seconds when the system is triggered by
any one of the following:
Unlocking a door ...
An armed system can be turned off using
any one of the following methods:
Pressing the unlock button on the
transmitter.
Switching the ignition ON.
(With the advanced keyless function)
Pr ...
Other materials:
Installation Of Radio System
The control modules and control unit have been designed with sufficient attention
to radio wave disturbances from the outside. However, observe the following precautions
when installing the radio set to the vehicle to prevent adverse effects on the control
modules and control unit.
Inst ...
Luggage Compartment
Luggage compartment cover (5-door)
WARNING
Do not place anything on top of the
cover:
Placing luggage or other cargo on top
of the luggage compartment cover is
dangerous. During sudden braking or
a collision, the cargo could become
a projectile that could hit and injure
...
Aerodynamic Under Cover No.1 Removal/Installation
1. Remove the aerodynamic under cover No.2..
2. Peel off the front mudguard..
3. Remove the bolts and fastener.
4. Remove the aerodynamic under cover No.1 in the direction of the arrow shown
in the figure.
CAUTION:
Be careful not to damage the aerodynamic under cover No.1 durin ...