1. Be careful to overload the electric jack when using
2. Emergency roadside tire replacement tool, not professional toolProhibit people from entering the bottom of the vehicle during use
3. When you put the jack on the side of the car tire, make sure the center of the pressure bar and the loading part of the car chassis are aligned
4. Do not operate the vehicle in an upright position while lifting it
5. Do not use continuously for more than 10 minutes
6. When using the electric jack, please do not leave the operator(It is dangerous. )
7. If the jacking bar cannot be dropped, please turn the safety valve screw clockwise with the wrench to remove the car lift to its original positionThen, tighten the safety valve and tighten the dust proof plug