Method: 1. Insert the cigar head plug into the cigarette lighter socket in the car. 2. There is a power switch control button on the top of the handle. Push the control button to the ON position to use, and push it to OFF to stop using it. 3. Change the suction nozzle depending on the use occasion. The 4.5-meter-long cigarette lighter connection cable is enough to cover any position inside the vehicle for dust collection. 4. When using, the suction port is flat against the ground to achieve better results. 5. There is a front shell device button in front of the power control button. Press down to remove the front shell. When you have finished using or need to clean, disassemble the front shell cleaning filter to prolong life. The cleaning filter must be kept away from eyes and ears. 6. This product cannot be used to inhale burning materials, such as burning cigarette butts. 7. If it is a wet and dry vacuum cleaner, pay attention to the height of the water blocking pipe (capacity) of the front cover when absorbing water and damp objects. The height of the suction volume should not exceed the water blocking pipe. (The front cover must be turned off and the front cover must be turned off to pour out the water or wet liquid and reinstall it , Can be used again). Note: 1. Before using the vacuum cleaner, check whether the fuse of the power supply can carry the current for starting and working of the vacuum cleaner. (General product manuals have this description.) 2. Turn off the power switch of the vacuum cleaner, insert the power plug into the car cigarette lighter socket, 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.