Battery acid will work to remove finger prints....
Meguires stuff is very good indeed, some tosser put his suitcase on my boot lid when unloading his car so I wizzed it into the field and set to with some Meguires Scratch Remover jizz. Works really well!
2006 BMW E60 520d SE 6MT
2009 BMW E90-LCI 330d SE 6MT
Current: 2012 F30 328i Luxury 8AT
2015 Audi A6 Avant Ultra, Black Edition (sorry!)