Vehicle interior, center

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the rear console panel. (See REAR CONSOLE REMOVAL/INSTALLATION .)
Disconnect the connector from the keyless antenna.

Fig 1: Locating Connector Keyless Antenna (Center)
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Disconnect the connector while holding the keyless antenna, otherwise the keyless antenna bracket could be damaged.
Insert a remover tool into the position shown in the figure.

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

Fig 3: Inserting Tape-Wrapped Flathead Screwdriver
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.