If you want to confuse a teenager today, really take them out of their element, you could do worse than to plop him or her in a 1970 Chevelle or a vintage Lincoln Town Car.

Looking around at the ashtrays, crank windows and manual locks, sitting in what could have been their grandfather's car, they might as well be in another world.

Car design changes quickly, and features that were once standard in just about every car on the road have mostly gone the way of the dinosaur.

Who knows what the future and further advances in auto technology may bring? Perhaps one day the features you take for granted as standards for today's cars may become just as obsolete as these five rarely seen features …

Auto Feature No. 5: Smoke 'Em If You Got 'Em >>