Cat scratching neighbor's car

Hi, I'm new to this forum and I wanted to get everyone's suggestion's on a problem i have. I have an American Bobtail seal point neutered male who is about 11 months old. Stubbs is an inside/outside cat which means he usually comes inside to eat, hangout and occasionally sleep, but primarily spends most of his time outside(he prefers this arrangement). Recently, I was contacted by a neighbor who said Stubbs has been jumping on his car and has put scratches on his hood so bad I'm probably going to have to pay to get it repainted. I personally have seen Stubbs on my vehicles as well as, the neighbor's so I know he is telling me the truth. I have tried to come up with a solution to this, but I'm at a loss for ideas. Declawing and being a full-time inside cat is not an option since there are other neighborhood cats and dogs he would need his claws to defend himself with and he would go crazy inside. Someone please help me with this problem.
Jeff

He'll go crazy inside only for a while and then get used to it, or you can get a proper harness with neck & tummy 'collars' and take him for walks, or get your neighbor to use his garage, but no, I don't think you're going to train him not to go onto the car.

If there are other neighborhood cats and dogs around, how does your neighbor know for sure that it is your cat causing the scratches? Is he chasing the cat off the car, startling it and therefore causing the claws to come out on the run?

How about keeping Stubb's claws trimmed?

I don't blame the neighbor for being upset. Since you will not make him a totally indoor cat, you need to either:

(1) Train him to harness/leash and take him out a few times a day under supervision; or

(2) Build/buy a cat enclosure and let him have some time outside in the enclosure. He won't be roaming, won't jump on neighbor's car and won't get in trouble, but WILL have some outside time.