bigbadswingdaddy that should be Counterclockwise and less than a 1/4 turn will do it. If after it turns it doesn't pop up on its own, tap around it like you are trying to get a jar lid off.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.