1. Before using customized car vacuum cleaners, check whether the fuse of the power supply can carry the current for starting and working of the vacuum cleaner.

2. Turn off the power switch of the customized car vacuum cleaners, insert the power plug into the car cigarette lighter socket, (should start the car first, and then) turn on the power switch of the vacuum cleaner to start operation.

3. When the dust reaches a certain level or needs to be cleaned after use, press the clip on the dust cover to open the dust cover to remove the dirt.

4. It is best to wear a mask when vacuuming with customized car vacuum cleaners, because the use of car vacuum cleaners can easily cause dust to rise, and users are more likely to inhale the raised dust. It is strictly forbidden to put hands or feet under the mouthpiece during use to avoid danger.

5. In the process of using customized car vacuum cleaners, pay attention to whether there is any foreign matter blocking the straw, or abnormal noise, smoke, etc., and you should stop using it immediately if you encounter the above conditions. Continue to use it after removing the foreign matter, otherwise it will burn the motor of the vacuum cleaner.