Caution


Diagnostic procedure

Dtc c1140
Dtc c1148, c1158, c1168, c1178, c1233, c1234, c1235, c1236Mazda 6 Service Manual: Locking, Unlocking the Doors
NOTE
The system may not operate if you are too close to the windows or door
handles.
If the key is left in the following areas and you leave the vehicle,
the doors may be locked depending on the radio wave conditions even if the key
is left in the vehicle.
Around the dashboard
...
Mazda 6 Service Manual: To Turn Off an Armed System
An armed system can be turned off using any one of the following methods:
Pressing the unlock button on the transmitter.
Starting the engine with the push button start.
(With the advanced keyless function)
Pressing a request switch on the doors.
The hazard warning lights will flash twic ...