Keyless Receiver Removal/Installation[Advanced Keyless System]: Rear

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
2. Remove the trunk side trim. (See TRUNK SIDE TRIM REMOVAL/INSTALLATION .)
3. Remove the nuts.
4. Disconnect the connector.
5. Remove the keyless receiver (rear).
6. Install in the reverse order of removal.

Fig 1: Identifying Keyless Receiver Components (Rear)

Courtesy of MAZDA MOTORS CORP.