You may think you know everything there is to know about cars, but sometimes even experts can get it badly wrong. The guys and girls of What Car?, PistonHeads and reveal their embarrassing car-care fails

Always read the manual, they say. Well, Dan Trent, editor of, disagrees. He bought a new, runaround car that needed a few bits and pieces fixed up. All simple stuff, until he got to a brake-light bulb which needed changing. Just to be safe, he checked the manual’s instructions, and that’s where things started going wrong…

If you want to avoid your own embarrassing car-care fail, head to your local Ford Motorcraft centre