Socket Removal Note

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Insert a tape-wrapped flathead screwdriver into the socket hole, then push on the ring protrusion to lift the socket toward you.

Fig 1: Inserting Tape-Wrapped Flathead Screwdriver Into Socket Hole
Courtesy of MAZDA MOTORS CORP.
As shown in the figure, lift out the socket until the ring protrusion locks into the lower socket hole.
Remove the boot panel.

Fig 2: Removing Boot Panel
Courtesy of MAZDA MOTORS CORP.
Front behind the boot panel, slide a tape-wrapped flathead screwdriver in between the socket and the ring protrusion.
While twisting the ring protrusion with the screwdriver, push out and remove the socket.

Fig 3: Twisting Ring Protrusion With Screwdriver
Courtesy of MAZDA MOTORS CORP.