1. Close the windows and the moonroof securely (some models).
2. Switch the ignition OFF.
3. Make sure the hood, the doors, and the trunk lid are closed.
4.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 cluster flashes twice per second for 20 seconds.

5. After 20 seconds, the system is fully armed.
NOTE
To rearm the system, do the arming procedure again.
Operation
To Turn Off an Armed SystemMazda 6 Owners Manual: Lane Departure Warning
If the system determines that the vehicle may deviate from its lane, the lane
departure warning (beep sound, rumble sound*1, or steering wheel vibration) is activated
and the direction in which the system determines that the vehicle may deviate is
indicated in the multi-information display and ...
Mazda 6 Owners Manual: Foreword
Outline
The OBD (on-board diagnostic) test inspects the integrity and function
of the headlight auto leveling system and output the results when reqested
by the specitic tests.
OBD test also:
- Provides a quick inspection of the headlight auto leveling system.
- Is usually perfor ...