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:
If the system is triggered again, the lights and horn will activate until the driver's door or the trunk lid is unlocked with the transmitter.
(With the advanced keyless function)
The lights and horn can also be deactivated by pressing the request switch on a door.
NOTE
If the battery goes dead while the theftdeterrent system is armed, the horn will activate and the hazard warning lights will flash when the battery is charged or replaced.
Theft-Deterrent System (Some models)
How to Arm the SystemMazda 6 Owners Manual: Cargo compartment light switch inspection
1. Remove the liftgate lower trim. (See LIFTGATE LOWER TRIM
REMOVAL/INSTALLATION)
2. Disconnect the cargo compartment light switch connector.
3. Inspect for continuity between the cargo compartment light switch
terminals using an ohmmeter.
If not as specified, replace the liftgate lock.
...
Mazda 6 Owners Manual: Front door trim removal/installation
1. Disconnect the negative battery cable.
2. Open the cap using a small screwdriver, then remove the screw.
3. Remove the inner handle cover.
4. Remove the inner garnish.
5. Remove the cover, then remove screw A.
6. Remove the lens cover, then remove screw B.
7. Disengage clips A from the ...