Vehicle Interior, Rear (With Advanced Keyless Entry System)

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the third-row seat cushion (See THIRD-ROW SEAT CUSHION REMOVAL/INSTALLATION .)
Remove the third-row seat back component (See THIRD-ROW SEAT BACK COMPONENT REMOVAL/INSTALLATION .)
Partially peel back the floor mat to the position allowing removal of the keyless antenna.

Fig 1: Peeling Back Floor Mat
Courtesy of MAZDA MOTORS CORP.
Disconnect the connector from the keyless antenna.
CAUTION:
- Disconnect the connector while holding the keyless antenna, otherwise the keyless antenna bracket could be damaged.
While pressing the keyless antenna bracket tab in the direction of arrow (1) shown in the figure, press it in the direction of arrow (2) to detach the keyless antenna bracket tab from the body.

Fig 2: Detaching Keyless Antenna Bracket Tab From Body
Courtesy of MAZDA MOTORS CORP.
Remove the keyless antenna from the body.
Insert a tape-wrapped flathead screwdriver into the position shown in the figure.

Fig 3: Inserting Tape-Wrapped Flathead Screwdriver Into Keyless Antenna
Courtesy of MAZDA MOTORS CORP.
Move the tape-wrapped flathead screwdriver in the direction of arrow (1) shown in the figure to press the keyless antenna bracket tab, and pull it in the direction of arrow (2) to detach the keyless antenna bracket from the keyless antenna.
Remove the keyless antenna bracket from the keyless antenna.
Install in the reverse order of removal.