You'll need a petroleum based product like WD40 or Goo Gone plus elbow grease to remove the sap. Avoid using WD40 on car paint, though.
Sap should come off if you just scrub it really really hard. Try using a razor blade and some don's or goo-gone if needed. The razor blade won't scratch the windshield.
Its tree sap from a tree if your car is under a pine tree then that's your answer
Rubbing alcohol.
when trying to get tree sap off a car there are millions of answers but only a few will really get that tree sap off you take gas, deisel, or karosiene, and spray on sap or you can buy paint remover pour some on a cloth and rub the sap off it wont hurt your paint or you take a putty knife and srape it off or get the sap hot and it rubs off with a paper towel or put toothpaste on the sap let it sit for a week or so rub off.
Lick the sap off of the tree.
Wet a rag or small towel with warm soapy water and put it on the sap and let it soak. Once the sap softens, just wipe it off.
Goo-B-Gone is a good option. If you go to an auto parts store and look in their car care/cleaner section, you will find many different products to remove tree sap from your vehicle.
it could be pollen from nearby plants. it could also be spores from fungi on the tree. it could also be dried sap from the tree
To effectively remove palm tree sap from your car's surface, you can use rubbing alcohol or a commercial sap remover. Apply the solution to a cloth and gently rub the sap until it lifts off. Wash the area with soap and water afterwards to remove any residue.
do you mean tree sap ? if so use a little paint thinner in a rag and wipe it off
Mineral spirits.
I always use rubbing alcohol.