| 1. Establish the container under a drain stopper of the main transfer. | 
 
 |  | 2. Unscrew a drain stopper and merge oil from the main transfer then establish a drain stopper into place, having tightened it the demanded moment. | 
 
 | 3. Fill in fresh oil in the main transfer to the bottom level of a jellied opening. | 
 
 | 4. Lower the car on the earth. |