With sunglasses holder

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Open the sunglasses holder.

Courtesy of MAZDA MOTORS CORP.
Remove the screws.
CAUTION:
- Be careful not to pull the connector out strongly when removing the front map light. Otherwise, the contact surface of the wiring harness secured to the headliner will come off and the wiring harness could be pulled out. If the front map light is installed with the wiring harness pulled out, the wiring harness could get caught between the headliner and front map light bracket resulting in an open or short circuit in the wiring harness.
Pull out the front map light in the direction of the arrow (1) shown in the illustration and detach the clips from the bracket.

Courtesy of MAZDA MOTORS CORP.
Move the front map light in the direction of arrow (2) shown in the illustration and pull out the front map light hooks from the headliner.
CAUTION:
- When removing the front map light from the headliner, the front map light may fall off and be damaged. Remove the front map light from the headliner while holding the front map light on the lens side by hand.
Disconnect the connectors.

Courtesy of MAZDA MOTORS CORP.
Remove the front map light.
Install in the reverse order of removal.