Last month, we reported on the car gadgets our readers can’t live without. Now’s the time to turn the tables and highlight some not-so-useful accessories or gizmos people have received as gifts over the years.

Our favorite has to be the self-leveling can holder, as suggested by BS, complete with the following video included:

It usually happens when you least expect it. Say, you’re running late, or you have a carload of kids, or you’ve decided to take that back road, or the weather is just downright crummy, then it happens... a flat tire.

Road salt is a winter hitchhiker you don’t want to be giving rides to. Over time, sodium chloride residue can turn into automotive cancer, eating away at metals on your vehicle.

Frequent washing may help extend the life of your vehicle, but how often should you wash your car in the winter, especially considering that freezing temperatures can lead to sticky situations regarding door handles, window seams, and door frames?

Ah, the muscle car. An American favorite and oft-debated best-of list. The muscle car is a genre that enthusiasts are passionate about -- a passion driven by straight-line speed delivered through a high-displacement engine.

But, what exactly defines a muscle car? Are you a two-door only type, or a horsepower to weight ratio delineator? Does original sticker price weigh into the equation? What about blowers, dual pipes, and stripes or flames?

Cars play important roles in movies. They often set the stage for a scene, provide a glimpse into the life of a character, or even prompt a bit of humor. This holiday season, as you settle in to enjoy a movie, keep in mind how Hollywood treats vehicles as a supporting cast.