As above, but to expand;
Wash, thoroghly with two bucket method (1 for soapy water, one to rinse your mitt after each pass over a panel).
Dry with a decent deep pile drying towel such as the ones from i4detailing.
Clay, megs quick clay is available from halfrauds and is very easy to use. Make sure the clay always travels in the same direction, back and forth, not side to side.
Wash again.
Polish by hand with super resin polish (srp).
Seal or wax (or both) with a sealent like extra gloss protection and/or your HD wax.
All the above are available at halfrauds, thus making them easy to come by.