You remove door panel by first removing two screws. One screw behind the door handle and the other inside the hand grab hole where you put your hand when you shut door. Then simply pull on the bottom...
You either get it to a shop, or try and do it yourself, and if you do, look at the other side of the car to look at the formation of the metal. (Don't do it yourself with a hammer....)
check your door sensor. sometimes the seat belt or other object get stuck in the door when closing and over push in the button. get a flat head screwdriver and pry it out. close the and it will push...
