Yes. The car will be damage when you write it as hard as you can.
Yes
Car magnets are completely safe to use on a car. The metal of the magnet does not interact with the paint of the car. Car magnets are specifically designed to be placed on a car with no damage.
Car Ceramic Paint is able to protect your car's paint surface from sunlight, harmful chemicals and further scratches.
Will amonia hurt or damage the paint on a vehichel
it could
Yes
Yes it damaged paint on my fishing reels
What will pepper spray do if sprayed on a car
You risk damage to the car's paint.
Wash the air breather out with a bar of soap.
No, however if it's not removed correctly, there could be some damage.