I don't know what the HOA rues are in your complex for working on cars in your garage, but there is nothing, then what's the problem. Work on your car. I would love to have a garage. I live in a rented Townhome, so I can't really do any real work on my car. My car stinks and I have to drive a little ways down a corridor that has bedroom and kitchen windows on either side. There is one guy that asked me not to leave my car running under his window while I move my cars around. I know he still does not like my car, as I watch him close the kitchen window as I move my cars

. We are friendly and he has not said anything more about my car. I know other people probably would like to see my car gone, but it is registered and legal. Not much they can do.
I hope things work out.
Dave