As said already, don't bother with the alcohol unless there is still physically gunk on your paint. If you have just a surface blemish, use a good wax or polish and some elbow grease and it should look perfect!
__________________
'10 PW 370Z 7AT - wife's car - Project Raspberry Cheesecake
'08 Evo X - built motor+trans | BB-X @ 32 psi | CH3OH | self-built+tuned - ??? WHP
'01 Galant V6 - built motor | GT35R | self-built+tuned - 550+ WHP (retired) |