1994 Cadillac Eldorado Touring

Very low miles. Bought it in March from the first owners son with 79,000 miles. his mom had passed away 8 year’s previously and it sat in a garage for those 8 years. I’ve got paperwork on it too to prove that. Owner started it and drove it to and from the gas station by his house just so it wouldn’t gunk
Up the gas tank. It had a thick layer of dust on it and tires from 2005 and someone tried replacing the antenna but didn’t do the wiring right so the radio doesn’t