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Cadillac Elmiraj sedan RWD flagship finally caught testing

While we still have no insight as to it being named Elmiraj, STS or some other permutation of the -TS nomenclature ("LTS" has apparently been registered by GM, as well), new spy shots give us proof positive that Cadillac is indeed hard at work on a rear-wheel-drive flagship model. Spied for the very first time in some north country testing, these shots provide a first look at the upcoming range-topper from Cadillac.
Impressively long and large bodywork ride atop new General Motors' corporate Omega rear-drive architecture here. Heavy cladding over camouflage may discourage finding any details, but the overall, sharp-edged and blocky design is clearly reminiscent of what we've seen on the new CTS and the recently debuted ATS coupe. A strong, wheels-at-each-corner stance helps emphasize the length of this stretched Caddy, and everything about the proportions seem spot-on for a new fullsize flagship for the brand.
It's quite possible that Cadillac will ultimately festoon this large sedan with detailing reminiscent of the original Elmiraj coupe, though thus far we've only seen prototypes wearing four-doors.

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.

GM CEO Akerson calls out Tesla, says Cadillac will compete on EVs

Cadillac will be taking on Tesla Motors, the underdog EV manufacturer that's seen heaps of critical acclaim and stock market buzz with its most recent sedan, the Model S. "If you want to compete head-to-head with Tesla, and we ultimately will, you want to do it with a Cadillac," Dan Akerson, the chairman and CEO of General Motors, told media in Washington, according to The Detroit News.
Akerson continued, telling The News, "We'll sell more Volts and lose less money on the Volts than they'll lose on the Model S." He also took time to point out that Tesla getting vehicles out to customers isn't a guarantee of success or permanence, using Fisker as an example, saying "Does anybody even remember Fisker? I mean, there were a number of them; they are all gone."
This strong talk from Akerson comes after Doug Parks, another GM exec, let slip that the Detroit-based manufacturer has an EV in the works that will cover 200 miles per charge and only cost about $30,000, a massive upgrade over similarly priced EVs that struggle to top 100 miles per charge. Until that vehicle arrives, though, GM is preparing the Cadillac ELR, a small coupe that, like the Volt with which it shares technology, uses a gas engine as a mobile generator to recharge the batteries. Akerson took aim at Tesla again, saying, "But I do think when the ELR comes out late this year, early next - it's certainly the same postal code as Tesla, but now we're going to move up. It's not going to be a mass-produced car."