The paint is on the exterior of the car.(example) I just painted the exterior of my house to raise its value
wipe off with laquer thinner
A sandblaster or sanding disc
aircraft stripper you can get it almost anywhere
Semi-gloss paint most times exposes the metal of your car. It can lead to rust and erosion issues. Gloss paint is definitely the way to go.
The paint code should be part of the car's serial number. Phone a body shop or a car paint store such as Rondex or Maaco in Wpg and they should be able to help you with this.
Try CLR. It removes rust from many things without damage.
Car polishing involves both washing and waxing of your vehicle. Washing removes dirt while waxing will coat and protect your car's paint from dirt and damage.
If you just want to paint the car the same color or adding a new bumper and want to match the paint, look in your door jam, there is a sticker there with the paint code.
A body shop makes repairs to the body (outside structure) of your car. For example, they can repair your car after a collision, paint the exterior, or repair scratches and dents.
Try Goof Off , it removes many odd substances and will not harm auto finishes.
Exterior means "outside". For example, The exterior of the car is red. Meaning, the outside of the car is red.