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GM recalls 3.6 million vehicles for airbag-software problems

The Basics: General Motors is recalling 3.64 million vehicles across its lineup for an airbag-related issue. The recall covers the 2014-2015 Buick LaCrosse, Chevrolet SS, and Spark EV; 2014-2017 Chevrolet Corvette, Trax, Caprice PPV, Silverado 1500, Buick Encore, and GMC Sierra 1500; and 2015-2017 Chevrolet Tahoe, Suburban, Silverado HD, GMC Yukon, Yukon XL, Sierra HD, Cadillac Escalade, and Escalade ESV. The Problem: Affected vehicles have a sensing and diagnostic module that controls the airbags and seat-belt pretensioners. The software it uses has a defect that can prompt the module to run a diagnostic test under specific driving conditions, which will also deactivate the front airbags and pretensioners. This means that it would be possible for those safety systems to not activate in a crash, potentially leading to injury or death. Injuries/Deaths: General Motors began an investigation that led to the recall after a 2014 Silverado was involved in a crash in which the airbags did not deploy. No information was given as to injuries or deaths. The Fix: Owners can bring their vehicles to a local General Motors dealer where a software update will be installed to fix the issue. The fix will be free of charge. If you own one: General Motors will contact owners of affected cars, and owners can check whether their vehicles are affected by visiting entering their vehicle identification numbers at either the GM Owner Center website or the NHTSA website. Owners can then schedule a time to have the update installed. Related Video:

How easy is it to rebuild a Chevy small block V8?

Chevrolet's famous small block V8 stands as one of the workhorse engines in American auto history, with its variants going into vehicles from hot rods to pickup trucks. But do you know that you can fully disassemble and completely restore one of these mills in just under four minutes? Well, as long as there's some assistance from time-lapse photography, that is. Hagerty created this short clip showing a dirt-covered small block turning from a frog into a prince. Thankfully, the time-lapse doesn't speed the process up too much, and it's still easy to see how all of the principal parts fit together. With all sorts of sensors and software helping to drive the modern automobile, viewing the internal combustion engine in its purely mechanical form is still fascinating. Related Video:

Kurt Busch to shake and bake (again) in Ricky Bobby car at Talladega

Kurt Busch will channel Ricky Bobby for another NASCAR race, this time driving a Wonder-sponsored Chevrolet SS, in this weekend's Camping World RV Sales 500 at the Talladega Motor Speedway. Unlike past tie-ins, though, there's actually an element of sponsorship here (the "Me" car was done when Busch was running on a team without sponsorship).
It was arranged by Flower Foods, the new owner of the Wonder brand. Wonder was part of the bankrupt Hostess company, which temporarily exited the US market 2012, and set off the Great Twinkie Shortage.
Busch has made something of a habit of channeling characters from famous racing movies, most recently running Tom Cruise's City Chevrolet livery from Days of Thunder in a Nationwide Series race earlier this year. Busch kicked off his movie-inspired antics, though, at Talladega in 2012, when he raced El Diablo's ("It's like... Spanish for like a fighting chicken") "Me" car complete with a cougar on the hood. He even went so far as to channel the lovable idiot that is Ricky Bobby during the race, dropping a few catchphrases about macchiatos and slingshots.