Causeway Hyundai is located just off Route 72 in Manahawkin, NJ. Our Service Department is staffed with highly skilled technicians who care about you and the life of your vehicle. We are here to help ensure you stay safe and happy on the road for years to come. Causeway Hyundai is located just off Route 72 in Manahawkin, NJ. Our Service Department is staffed with highly skilled technicians who care about you and the life of your vehicle. We are here to help ensure you stay safe and happy on the road for years to come.