Cover Removal Note

WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Insert a tape-wrapped screwdriver between the cover and the base unit, then unlatch hook A.
To unlatch hook B, pull the cover upward.

Fig 1: Removing Cover From Base Unit
Courtesy of MAZDA MOTORS CORP.