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Hot Wheels' Twitter-enabled vending machine coughs up free Camaro diecasts

There are still plenty of companies that haven't gotten the whole social media thing down pat yet, but Hot Wheels isn't one of them. During the recent Canadian International Auto Show in Toronto, Hot Wheels created a lot of buzz for itself by using a vending machine filled with Chevrolet Camaro models, but instead of money to get the cars, show attendees just had to use Twitter.
To get the free car, people were asked to send a tweet to Hot Wheels Canada saying what they liked about the new Hot Wheels Edition Camaro, and including the #ChevyCIAS hashtag. This seemed to be a popular marketing tool, too, as AdWeek reports that the @HotWheelsCanada account more than tripled in followers during the course of the 10-day show. Looking ahead, this could open up even more innovative marketing possibilities using social media.
Check out the video posted below to watch how it works, and while the auto show has ended and the free-car giveaway has too, we're almost certain that some of the 1,500 freebies will make their way onto eBay.

GM recalls full-size truck, SUVs and vans over faulty shifter mechanism

Twelve different General Motors vehicles from the 2013 model year, up to 54,686 units in total, are being recalled over two potential issues with their steering columns. The models in question, all full-size trucks, SUVs or vans, are the: Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Express, Silverado, Suburban, Tahoe, and GMC Savana, Sierra, Yukon and Yukon XL.
The affected vehicles were built with a fractured parking lock cable or "a malformed steering column lock actuator gear in the lock module assembly." As a consequence, they could shift out of park without the brake pedal being applied or with the key removed or in the off position.
A bulletin from the National Highway Traffic Safety Administration indicates that the recall should begin on January 17. GM will notify owners, at which time they can take their vehicles to their dealers for repair free of charge. Have a look at the bulletin below for more information.

Why does the Corvette Stingray have so many vents? Here's why

Just looking at the new 2014 Chevrolet Corvette Stingray, it's not hard to see that the car's design was created with aerodynamics at the forefront, but Chevrolet designers point out exactly what went into designing the iconic coupe in a pair of recently released videos. The videos show the Corvette going through early design phases, including clay models and wind tunnel tests, as well as talking to the car's chief engineer, Tadge Juechter.
Both videos help explain various aspects of the C7 Corvette, but it's the aero tuning of the car that is most interesting. This includes extra attention paid to the lower air dam and vented hood to help reduce drag and lift, while the rear quarter inlets are for differential and transmission cooling. Juechter said that some of these aero-tuned elements were inspired from GM's involvement in racing.
If you have about five minutes and you can't get enough information about the new 'Vette, then check out the videos posted below.