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GM's MPG overstatement could affect 2 million vehicles

Late last week, GM admitted that three of its large SUVs fuel economy window stickers did not match their actual efficiency ratings, and so the vehicles couldn't be sold. The stickers on the 2016 Chevy Traverse, GMC Acadia, and Buick Enclave said their ratings were one to two miles per gallon better than they should have been. Officially, the number of affected vehicles sits at about 60,000. But Consumer Reports makes a good point: what's up with all of the previous model year SUVs that are basically the same vehicle? To wit: the 2016 model year vehicles are not substantially different than the 2015 or the 2014, or even going all the way back to 2007. On the EPA's fuel economy website, all of these older models will "have better stated fuel economy numbers than the new vehicles in GM's dealerships," Consumer Reports noted. CR's best point, and the one that makes the 60,000 number potentially grow to 2 million if all of the vehicles built on this platform are affected, is that "[i]t seems unlikely that the company would change the powertrain on these carryover models so late in their model cycles in a way that would cause a dramatic, negative impact on fuel economy." GM says that earlier model year SUVs are not affected and the EPA did not respond to CR's question about the potential for more discrepancies. We've seen automakers reverse course before, so if GM has to come out with a mea culpa soon, don't be surprised. GM is rushing corrected stickers to dealers so that the SUVs can be sold again, but a fix for the already-sold vehicles could be trickier to solve. Related Video: Related Gallery 2013 GMC Acadia View 16 Photos News Source: Consumer Reports Government/Legal Green Buick Chevrolet GMC Fuel Efficiency mpg gmc acadia chevy traverse

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:

2016 Buick Cascada First Drive

Florida became a state in 1845. It is the third most populous state in the United States, home to the most-visited theme park in the world. It is where you'll find every convertible ever sold in the United States, be it a pasty white Infiniti M30 or a Lamborghini. And soon, many examples of the 2016 Buick Cascada will call it home. Florida is full of Buicks. Wonder if anyone bought a Rendezvous Ultra? It's in Florida. The Buick Reatta, the company's last convertible before this? Also there. Buick, however, is eager to get those who better remember Bush vs. Gore than Nixon vs. Kennedy to ask, "That's a Buick?" Which is how we arrive at the Cascada. The Cascada isn't so much a new Buick as a car that's new to Buick. It's been on sale for about three years as the Opel Cascada in Europe, along with badge-engineered siblings sold by Vauxhall and Holden in other parts of the world. Buick took that time to make several hundred changes to the Cascada for US consumption and then found it without many rivals. The Chrysler 200 convertible, Volkswagen Eos, and Volvo C70 would all be prime targets for the Cascada here, were they not all dead now. Buick's gamble is that these Chrysler, VW, and Volvo (also Saab, for that matter) customers are looking for somewhere to go next. The Cascada isn't so much a new Buick as a car that's new to Buick. One thing is certain: the Cascada is eye-catching to Floridians. I had no fewer than six people in Miami and Key West walk up to me and ask what kind of car it was, or even say, "That's that new Buick convertible, right?" Despite being three years old, the Cascada's looks have aged pretty well. And it's been spared many of the tacked-on details, like fake portholes and chrome wheels, that were adhered to the Regal when it made its trip over from Opel-land. Top up or down, the Cascada is attractive. Unlike the Audi A3 or BMW 2 Series convertibles (the former being the Buick's prime target), there's no abruptness to the design, no sharply ending lines. The Buick looks relaxed in a Palm Beach or Palm Springs way, even on the inside with the convincingly stitched dash top and standard heated leather seats (one of the pieces redesigned for the Buick). That being said, the pattern on the seat material is a misstep, looking like it was inspired by Aunt Flora's 1972 patio furniture. Then it's surprising that you don't exactly sink into the Cascada. While the seats are mounted low, they're not pillow soft.