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

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
2. Remove the glove compartment lid. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
3. Disconnect the keyless receiver module connector.
4. Remove the nut, then remove the keyless receiver (front).
5. Install in the reverse order of removal.

Fig 1: Identifying Keyless Receiver Remove/Install Components (Front)

Courtesy of MAZDA MOTORS CORP.