1. Remove the front door glass.
2. Detach the outer handle and front door latch rod.
3. For protector-equipped vehicles, refer to key cylinder removal/installation to remove the protector.
4. Remove the bolts.

5. With the rear side of the outer handle fixed and the outer handle lever pulled out (1), remove the rear side of the outer handle from the front door.

6. Pull out the front side of the outer handle from the front door.
7. Install in the reverse order of removal.
Front door key cylinder removal/installation
Rear outer handle removal/installationMazda 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: Front door unit removal/installation
1. Remove the front door glass.
2. Remove the inner handle.
3. Remove the front door speaker.
4. Disconnect the power window motor connector, front door lock actuator
connector, power outside mirror connector.
5. Remove the door harness from the front door unit.
6. Remove the bolts.
7. Rem ...