Pocket Light Removal/Installation: Rear

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Switch the ignition off.
Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the rear door trim. (See REAR DOOR TRIM REMOVAL/INSTALLATION .)
Disconnect the harness.

Fig 1: Pocket Light, Connector, Rear Door Trim And Screw
Courtesy of MAZDA MOTORS CORP.
Disconnect the connector.
Remove the screw.
Remove the pocket light.
Install in the reverse order of removal.