Keyless Receiver Removal/Installation

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Trunk covering (See TRUNK COVERING REMOVAL/INSTALLATION .)
2. Trunk board (See TRUNK BOARD REMOVAL/INSTALLATION .)
3. Trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION .)
4. C-pillar trim (RH) (See C-PILLAR TRIM REMOVAL/INSTALLATION .)
5. D-pillar trim (RH) (See D-PILLAR TRIM REMOVAL/INSTALLATION .)
6. Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION .)
7. Rear scuff plate (RH) (See REAR SCUFF PLATE REMOVAL/INSTALLATION .)
8. Rear seat back (RH) (See REAR SEAT BACK REMOVAL/INSTALLATION .)
9. Tire house trim (RH) (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
10. Trunk side trim (RH) (See TRUNK SIDE TRIM REMOVAL/INSTALLATION .)
Disconnect the connector.

Fig 1: Keyless Receiver, Connector, C-Pillar And Bolt With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Remove the bolt.
Remove the keyless receiver.
Install in the reverse order of removal.