1. Remove the screws and fastner.
2. Remove the front flap.

3. Install in the reverse order of removal.
Cowl grille removal/installation
Rear flap removal/installationMazda 6 Service Manual: Rear outer handle removal/installation
1. Remove the rear door glass.
2. Remove the rear door unit.
3. Remove the rear door latch.
4. Remove the bolts.
5. Detach the rear outer handle and rear door latch rod.
6. With the rear side of the rear outer handle fixed and the outer handle
lever pulled out (1), remove the rear side of t ...
Mazda 6 Service Manual: Rear door lock actuator inspection
Door Lock Actuator
1. Disconnect the front door lock actuator connector.
2. Apply battery positive voltage to the front door lock actuator terminals
and inspect the operation of the front door lock actuator.
If not as specified, replace the front door lock actuator.
With double locking ...