a method for a shuttle and car delivery service at a venue . the method comprises the steps of transferring ignition keys for a car in the possession of the customer from the customer to an operator of the service , transporting the customer from the venue to a customer destination , and separately transporting the car from the venue to a car destination . the method provides a way to prevent the customer from driving while incapacitated , without requiring the customer to retrieve the vehicle once the customer is able to operate the vehicle .