1. Disconnect the negative battery cable.
2. Remove the rear door trim.
3. Remove in the order indicated in the table.


4. Install in the reverse order of removal.
Rear Door Speaker Installation Note
Attach the speaker with the wiring harness placed in the groove of the door unit panel.

Caution
Front door speaker inspection
Rear door speaker inspectionMazda 6 Service Manual: Removal/Installation
To remove the head restraint, pull it up while pressing the stop-catch.
To install the head restraint, insert the legs into the holes while pressing
the stop-catch.
WARNING
Always drive with the head restraints installed when seats are being used
and make sure they are properly installed: Dri ...
Mazda 6 Service Manual: No.4 air intake mode does not change
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while performing the inspection to discover
whether poor contact points are the cause of any intermittent malfunctions.
If there is a problem, check to make sure connectors, terminal ...