How do i remove the head unit of a 2007 Mazda 6?

To remove the head unit of a 2007 Mazda 6, first disconnect the negative battery terminal to ensure safety. Then, use a flathead screwdriver to pry off the trim surrounding the head unit carefully. Remove the screws securing the head unit, typically located on the sides or top, and gently pull the unit out. Finally, disconnect the wiring harness and antenna cable from the back of the head unit to complete the removal.