Fortunately for you, unless you take possession of the car, it's not yours yet. Even if you have signed a contract you have not taken possession so it still belongs to the dealership. They will be responsible for returning your down payment and voiding the contract.
Fortunately for you, unless you take possession of the car, it's not yours yet. Even if you have signed a contract you have not taken possession so it still belongs to the dealership. They will be responsible for returning your down payment and voiding the contract.