Skip it. Look for a buyer who wants a Civic and either doesn’t care about the cosmetics, or can fix them himself for $500. You shouldn’t even have to discount the car by $2800. Shoot for $10K and settle for $9500. Don’t be surprised when you get it. Don’t mention the damage in the ad, but tell each caller about it after they call because of the LOW price. See there, you just made an extra $1700 and didn’t have to do anything.