I used very high grit(very fine) wet/dry sand paper with water. Very gentle circular motions taking a tiny bit of the paint (atleast that happen to me), but it also took off the dirt and small brown dots. I then took some polishing compound (fine white paste) and a wheel. Smooth the paste over the area and slowly wheeled it in. Then high speed buffed it out. From here it was already shining. Throw on a coat of wax to protect it. Do a small section first to see. It really brought back a shine to my faded paint