is the windshield plastic or glass? If glass, goo gone should work. If plastic, i strongly suggesting not using goo gone. i had a trail pass sticker on my snowmobiles windshield and peeled it off, tried to remove the glue off with goo gone or goof off (can’t remember which), but it ate a top layer of the windhield and was completely cloudy.
With plastic windshields, i have good luck use a high concentrate of dawn and hot water, usually cleans it up, otherwise try a glass cleaner. Usually have luck w/ both.
Good Luck 