AA warns everyday de-frosting trick can land you with £400 bill – and what you need to do instead

THE AA has warned motorists against using this simple hack to de-frost your windscreen. Parts of the UK have dipped to -12 C, leaving motorists looking for ways to de-frost their cars. People swear by different hacks to speed up the melting process, but there is a particularly common method you should avoid. Many motorists…