never had a problem getting it off before, but this time it does not want to come off. what could i use or try to remove it?

 

WD-40 or some bug and tar remover.

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*Mike's 1992 Camaro RS 25th Anniv.*
Dark Red Metallic (ext.) / Flame Red (int.)
Flowmaster Crossflow, K&N, 20% 3M Panther Black Tint
JL Audio 3 10", PPI PC2100, Kenwood eXcelon KRC-953H/U, Kenwood / Pioneer speakers
Shine by ZAINO! - Special Thanks to Sal Z!

 

Use "Turtlewax Bug and Tar, and Tree Sap." Has many other uses as well as you will read on its reverse label. Got it from Pep Boys.

I just finished using this to get tree sap, water spots, and grease off my car. Couldn't be happier with the results.