The best way to clean a vehicle is to wash it with water and soap, but in the case of dirty vehicles, this is not always possible. In such a case, the most effective solution is to use a chemical cleanser, which is able to get rid of all the dirt and oil from the vehicle.

But how do you know which chemical is the best for your car?

The answer to this question is simple: you don't. It's a matter of trial and error. You need to try different chemicals and see how they work. However, it is not a good idea to use a single chemical, because some cars are more resistant to certain chemicals, and they can cause damage to the car.

In addition, some chemicals can be extremely dangerous, and even though you might be using them for your car, you might still get injured or die.

The same goes for the other options: you have to try them and see how they work.