Upper Column Cover

Lower the steering wheel to the bottommost position.
Press the shaded area shown in the figure, lift the upper column cover in the direction of the arrow, and detach the pins, tabs, and guides of the upper column cover from the lower column cover.

Fig 1: Pressing Shaded Area
Courtesy of MAZDA MOTORS CORP.
While pressing the tab in the directions of arrows (1) shown in the figure, press it up in the direction of arrow (2) and detach the meter hood tab from the upper column cover.

Fig 2: Pressing Tab
Courtesy of MAZDA MOTORS CORP.
Detach all meter hood tabs from the upper column cover.
Remove the upper column cover.
Install in the reverse order of removal.