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:
Door Lock Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front inner handle..
5. Inspect for continuity between the door lock switch terminals using an ohmmeter.
If not as indicated in the table, replace the door lock ...
Wheel Alignment Pre Inspection
1. Park the vehicle on a level ground, in an unloaded condition*, and with the
wheels straight forward.
*: Unloaded condition.....Fuel tank is full. Engine coolant and engine oil are
at specified level. Spare tire, jack and tools are in designated position.
2. Inspect the tire pressure.
...
Taking Action
Take the appropriate action and verify that the warning light turns off.
KEY Warning Light
Take the appropriate action and verify that the warning light turns off.
...