Picture 4-6:Seperate door panel with vehicle door.
Picture 7:Push out the door panel towards the left 
Picture8:Take off the window control line
picture9: Remove the whole door pane
picture10:Take off the original mid speaker cable
picture11:Release the buckle with screw driver
picture12: Remove the seat button control part
picture13: Take off original speaker fixed glue.
picture14-15:Replace our mid speaker and fixed it with glue.
picture16-18:Take out original plug( #03),connect the mid speaker cable by white plug.
picture19:Test the mid speaker and eset door panel 
