Driver-side/passenger-side Door

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
2. Remove the door trim. (See DOOR TRIM REMOVAL/INSTALLATION .)
3. Remove the screws.
4. Disconnect the connector, then remove the keyless antenna.
5. Install in the reverse order of removal.

Fig 1: Identifying Keyless Antenna Components (Door)

Courtesy of MAZDA MOTORS CORP.