You may be able to recover the following damages:
- The cost of repairs to the engine
- The cost of towing the car to a repair shop
- The loss of value of the car
- Any medical expenses you incur as a result of the accident
- Pain and suffering
To return the car, you should first contact the dealership and explain the situation. If they refuse to take the car back, you may need to file a complaint with the state attorney general's office. You may also want to consult with an attorney to discuss your legal options.