Clip A Removal Note

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Pull out the pin to the position shown in the figure

Fig 1: Identifying Pin Position
Courtesy of MAZDA MOTORS CORP.
Insert a flathead screwdriver into the service hole

Fig 2: Inserting Screwdriver
Courtesy of MAZDA MOTORS CORP.
While pulling the curtain air bag in the direction of the arrow shown in the figure, detach tabs A and B by prying with a flathead screwdriver in the direction of the arrow.
Remove the clip from the body.

Fig 3: Removing Clip
Courtesy of MAZDA MOTORS CORP.