Manual: 

Apply even coat of polish to the paint surface with a soft polishing cloth or polishing sponge, working in a circular motion, and then polish. Remove residual polish with a microfibre cloth.

Mechanical: 

Moisten the surface of the selected polishing pad evenly with the paste and apply a small amount to the surface to be polished. Position the polishing pad flat on the area and start the machine. Polish the area applying a certain pressure until grinding traces or paint imperfections have been removed. Remove residual polish with a microfibre cloth.