Outer sill scuff plate removal
#3
Do a search, I think there are some older threads with instructions. Basically it is held on with adhesive and I think heating with a hair dryer while using fishing line to cut through the adhesive works.
#5
You're going to have to start pulling away from the edges as gently as possible. My stock plastics ones either snapped or bent when I did this. Almost impossible to salvage them, but when you're putting in new ones, who cares.