Leading motoring specialist Scotty Kilmer says the secret air filter can be accessed behind a panel located in the glovebox.

She adds, "The design is simple, the parts easy to clean and anyone can use it ... The temperature is adjustable (to 450°F), ...

Volkswagen is recalling 111,478 Beetles and Passats because the driver's airbag can explode. Long-term exposure to high humidity and temperatures may ca… ...