I've used WD-40 or mineral spirits to remove the glue and not effect the paint. 3M also makes an adhesive remover, but it could remove the paint if the paint has not cured for at least 90 days.

Tim

"Pay attention to the details! It ALWAYS pays off."

1949 Chevrolet 3100 Series 1/2 ton Pickup
1964 Chevrolet C10 (Ol' Yella) (SOLD)
1958 Chevrolet Biscayne 2 door (SOLD)
1970 VW Beetle