Press pause. Every item of hippo car washing is timed by minutes, so it is necessary to grasp the time and order of use, and press the pause time when each item is used up or not washed, so that the money will not be deducted for the time being and the cleaning will be over. Hippo Car Wash is a distinctive brand of intelligent unmanned vehicles, which provides customers with 24-hour self-service car service by using advanced technology and has won wide market praise.