Get a block and go 1000,2000.2500,3000 and then get a polishing compound and a wax.
wet sand always change the water between grits, Then after 3000, Use a Varible speed buffer with a foam pad and compound, at about 1500 rpm, do the whole car and wash the pad and then repeat with wax, Stay away from the sharp edges. After that wash the car with Car wash soap to get the wax and polish slop off. Expect it to take 8 hours and about 100 bucks in materials
wet sand always change the water between grits, Then after 3000, Use a Varible speed buffer with a foam pad and compound, at about 1500 rpm, do the whole car and wash the pad and then repeat with wax, Stay away from the sharp edges. After that wash the car with Car wash soap to get the wax and polish slop off. Expect it to take 8 hours and about 100 bucks in materials