2012 Gmc Sierra 1500 Denali Nav, Sunroof, Ac/heated Seats on 2040-cars

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Fullsize GM SUVs have a problem that's making owners sick

Some fullsize SUV owners are getting sick, thanks to a buffeting and vibration problem in 2015 model year examples of the Chevy Tahoe and Suburban, Cadillac Escalade, and GMC Yukon. According to owners' complaints to the National Highway Traffic Safety Administration, the issue can vary from an annoying vibration inside the cabin to an experience so severe that it leads to dizziness and headaches. General Motors is aware of the complaints, but the fix isn't so simple. According to spokesperson Tom Wilkinson to Autoblog, the company "has been tracking this issue for a while." The problem has a fairly low incidence rate, but when it does occur the issue can be "uncomfortable and annoying for owners." There's no precise cause for the issue, Wilkinson claims, and in some cases, simply balancing the tires or changing the door seals can make it go away. However, not all of the fixes are so simple. AutoGuide dug deep into the problem and discovered a GM preliminary information bulletin that advised dealers to remove the headliner and to check the roof's bonds to the bows that go across the vehicle. However, that document included a note that the solution might not entirely eliminate things. According to AutoGuide, adding Dynamat insulation to the roof sometimes helped the problem. A GM spokesperson also told AutoGuide the company fixed the problem at the end of the 2015 model year, and didn't go into any more detail. This roof issue seems linked to some of the worst droning in these SUVs. According to one complaint from a 2015 Suburban owner to NHTSA: "Roof will not remain attached to the roof bows. This causes the buffeting similar to a window being down when all are up. The results span from annoying to painful." A 2015 Yukon owner claims to have another alleged cause for the problem in a NHTSA complaint from February 2015. This person brought their SUV to the dealer seven times over the course of four weeks for vibrations. The dealer replaced the driveshaft, suspension components, and more, but nothing worked. According to an engineer to the service adviser: "In an effort to prevent roll overs, they designed the frame and body mounts too stiff. There are 40 engineers working on issues, they have no solutions that work across the board." Wilkinson told Autoblog that GM is working with customers on an individual basis to rectify things. Since these are newer vehicles, dealers should also fix the problem under warranty.

How the Ram Multifunction Tailgate compares to Ford, GMC, Honda

Ram just announced its Multifunction Tailgate — a descriptive if not very creative name. It's an asymmetrical barn-door arrangement, which can both fold down like a conventional tailgate or swing open like a gate. There's a new bed step, but unlike Ford or GM, the step isn't part of the tailgate itself. Rather, it kicks out from under the bumper (as opposed to out from under the driver's side of the rear bumper in its previous incarnation). So let's just focus on the tailgate functionality. A video of the Ram Multifunction Tailgate in action is above. For one, either of the swinging tailgate sections can be opened independently. They open to a full 88 degrees. In conventional flip-down mode, the tailgate works just like a normal one, too, with a 2,000-pound rating. The bottom line is that while it gives a variety of types of access to the load area, it doesn't "do" anything else. It's a $995 option on any Ram 1500. Its closest analogue is the Honda Ridgeline, which works basically the same way, but on that truck the tailgate swings as one piece. And the Honda's load rating isn't as hefty as the Ram's tailgate: 300 pounds. As Honda says, that's sufficient to hold the weight of the part of an ATV hanging out of the bed, or something similar, but it's a lighter-duty unit (and a lighter-duty truck) than the Ram's overall. Let's also get Ford's one-trick tailgate out of the way before comparing to the more analogous, and complicated, GM MultiPro. A bit of trivia: Ford's optional Tailgate Step is actually designed and supplied by Multimatic, better known as the outfit that builds the Ford GT and produces the DSSV spool-valve shocks. This step has been available for years. It pulls out of the top edge of the tailgate when the tailgate is lowered, deploying a single step. A separate handle pulls out from beside the step and flips up, giving a handhold. While it was initially (and infamously) mocked by competitors, with load floor heights as high as they are it's better than toting around a stepstool. It's currently a $375 standalone option. Now we get to the GMC MultiPro tailgate, the most complicated and multi-functioned around. It's essentially a tailgate within a tailgate, with a fold-out stopper that deploys from the inner tailgate. This gives it several functions depending on the position of all the parts. It can still be used like a normal tailgate, dropping down at the push of a button or using the key fob.

A spotter's guide to Super Bowl LIV car commercials

Set to kick off on Fox at 6:30 ET on Sunday, February 2, from Hard Rock Stadium in Miami, Florida, the big game will feature the Kansas City Chiefs and the San Francisco 49ers. Throughout Super Bowl LIV, viewers will see about 50 commercials, each of which costs as much as $5.6 million per 30 seconds, according to AdWeek. Originally, there were more than 77 ad slots, so several companies could be paying well more than $10 million for a single, longer commercial. Numerous car companies have already announced their commercials, or their intentions to show commercials, during the game. Here's a roundup of the ones we know about so far. During the game on Sunday, we'll be livestreaming and adding links to the new commercials as they become available, so check back with us for that post.  Audi: E-Tron Sportback Maisie Williams has experience wearing many faces, and in Audi's Super Bowl commercial, she does her best Elsa impression. In the spot, titled "Let It Go," Williams faces the rigorous task of getting through L.A. traffic, but she's alleviated by the comfort of the Audi E-Tron Sportback electric crossover. The commercial is meant to signal the company leaving its gas past behind and moving forward to a sustainable future.  Genesis: GV80 Genesis makes its Super Bowl debut with a commercial that will show its all-new SUV, the GV80, to viewers around the world (many of which will be seeing the vehicle for the first time). The ad features Chrissy Teigen and John Legend as the purveyors of "new luxury," while "old luxury" is left for the birds. GMC: Hummer General Motors is bringing back the Hummer nameplate as a premium electric GMC truck. GM says it will have 1,000 horsepower and will be capable of going zero to 60 mph in three seconds. GM brought in NBA legend and Hummer fanboy LeBron James for the debut commercial. Hyundai: Sonata Hyundai is known for bringing in the big-time celebrities for its commercials, and 2020 is no different. A new advertisement called "Smaht Pahk" features John Krasinski, Chris Evans, and Rachel Dratch, all three of whom are from the Boston area. The trio gets into full character as they discuss the new high-tech parking feature on the redesigned 2020 Hyundai Sonata, and David Ortiz makes a cameo at the end. Even when New England isn't in the Super Bowl, New England is in the Super Bowl.