Ideas to make vehicles more relevant in a closed world.

They could also implement a Car Mechanic/Car Repairman profession. We would be able to buy a Car workshop, there we would be able not only to sell cars but to work on other sims cars. We would be able to paint their cars as they wish, repair broken parts, upgrade their cars or help them resell their cars. Depending on our mechanic skill we would do a worse or better job, the harder the job you have to do, more skilled you have to be, or your Car Workshop will receive negative stars.