Mazda 3 Owners Manual: Theft-Deterrent System
If the theft deterrent system detects an inappropriate entry into the vehicle, which could result in the vehicle or its contents being stolen, the alarm alerts the surrounding area of an abnormality by sounding the horn and flashing the hazard warning lights.
The system will not function unless it's properly armed. So when you leave the vehicle, follow the arming procedure correctly.
Immobilizer System
The immobilizer system allows the
engine to start only with a key the system
recognizes.
If someone attempts to start the engine
with an unrecognized key, the engine
will not start, thereby hel ...
Operation
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 ...
Other materials:
Locking, Unlocking with Request
Switch (With the advanced keyless
function)
All doors and the liftgate can be locked/
unlocked by pressing the request switch
on the front doors while the key is being
carried.
(5–door)
The request switch on the liftgate can only
be used to lock all doors and the liftgate.
Front doors
Liftgate (5-door Lock only)
To lock
To ...
Operation
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 with the key, door
lock switch, or an inside door-lock knob.
Forcing open a door, the hood or th ...
Seat Weight Sensor Inspection [Two Step Deployment Control System]
CAUTION:
If any of the following work is performed, perform the seat weight sensor
inspection using the M-MDS.
Removal of the passenger-side seat
Loosening and retightening of passenger’s seat fixing bolts
Or, the vehicle is involved in a collision
...
