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: Valve clearance inspection
1. Disconnect the negative battery cable.
2. Remove the tire (RH).
3. Remove the splash shield (RH).
4. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION.)
5. Remove the high-tension lead.
6. Remove the oil control valve (OCV) connector.
7. Remove the ventilation hose.
8. Remove th ...
Mazda 6 Owners Manual: Inspection of dtcs for condition detection mode
Note
The cruise set indicator light will illuminate for 3 seconds,
when condition detection mode is on.
If the RESUME/ACCEL switch on the cruise control switch is
malfunctioning, the cruise set indicator light will not give a correct
indication when you inspect the system.
1. Drive ...