Brake Light Unit Removal/Installation

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Fold the rear seat back.
Remove the following parts:
- Rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION .)
- Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION .)
- Rear seat side back (See REAR SEAT SIDE BACK REMOVAL/INSTALLATION .)
- Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
- C-pillar trim (See C-PILLAR TRIM REMOVAL/INSTALLATION .)
- High-mount brake light (See HIGH-MOUNT BRAKE LIGHT REMOVAL/INSTALLATION .)
- Rear package trim (See REAR PACKAGE TRIM REMOVAL/INSTALLATION .)
Disconnect the connector.

Fig 1: Disconnecting Connector
Courtesy of MAZDA MOTORS CORP.
Remove the bolt.
Pull out the hook in the direction of the arrow shown in the figure.

Fig 2: Pulling Out Hook
Courtesy of MAZDA MOTORS CORP.
Remove the brake light unit.
Install in the reverse order of removal.