When the rust weakens important structural joints or opens areas where exhaust fumes can enter the cabin area, yes it can be harmful.
Car magnets doesn't cause rust.
rust can dissolve the metal on ur car then ur car can fall apart and it will wreck your paint
If you are new to the concept of car rust, http://www.dummies.com/how-to/content/how-to-protect-your-car-from-rust.html is a great article on a beginner's guide to it.
The best way to remove rust from a chrome with bodywork is to take your car to an autobody shop. They are the best people that can remove rust from chrome.
When salt and water and air combine, it accelerates the oxidation, therefore making the car rust faster :)
to pprotect the hurmful of your bdy whaen you di that you will be able tlo do it (what you expected to do)
There is no rust remover that going to repair the rust that has accumulated on a car for that long. It will be best to have the floor repaired by a professional.
You can if you want to
You can find rust removing options for your car by buying the polish spray in department stores and you can find it at the nearest car dealership. Hope this helped you.
One reason why car exhausts rust faster than the car body of the car is because they are often at a different temperature. The exhaust can be very hot and very cold so this creates a reaction rate which inturn makes the exhaust rust faster. hope that helps :)
You must cut out all rust, because rust does not stop it continues to grow, please do not just cover it up because it will come back again. The questioner is asking: How do you refurbish a well used car? and telling you that the car has rust all over. It would seem that the first thing to do is replace the parts that are rusty.
Many many sites answer this. Check out some of them: http://www.therustdoctor.com/?gclid=CIib2fzOwLMCFexAMgodfzoA5w http://www.wikihow.com/Remove-Rust-from-a-Car