DSC HU/CM Connector Removal Note

WARNING: This page is about a different car, the 2010 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Pull the lock lever up in the direction of the arrow.
Pull the connector toward the vehicle rear and remove it.

Fig 1: View Of Pulling Lock Lever Up

Courtesy of MAZDA MOTORS CORP.