The car vacuum cleaner factory talks about the use of the car vacuum cleaner

Note that when the car vacuum cleaner is used for a short time, the car key can be turned to the ON position, and then it can be inserted into the cigarette lighter for use, but if it is used for a long time, more than 5 minutes, the car vacuum cleaner factory recommends In order to protect the car battery, it is best to use the vacuum cleaner after starting the vehicle.