Refresh You Car! Active Odor Elimination provides 360º degree air ventilation defense to help freshen your car interior. To use this car freshener, place it in the center of your car with the engine running and your air conditioning on high. Point the direction of the spray away from your face and press down on the car fragrance nozzle. Exit the vehicle and let it run through the system to spread the car scent throughout your vehicle for 10 minutes. Refresh Your Car! auto air fresheners are an affordable and easy-to-use solution for freshening up the atmosphere of your car, truck, or van. This fogger ships as a pack of one (1).