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Cadillac recalls ELR coupe over stability control problems

Cadillac is recalling about 656 2014 ELR models made between September 26, 2013 and February 14, 2014, because of a fault with the electronic stability control system. On cars without adaptive cruise control, it's possible that diagnostics could prevent the system from telling the driver if ESC is on or off.
Cadillac has a software fix ready and repairs begin on April 17. Alan Adler, General Motors' recall and legal spokesperson, tells Autoblog that only about 55 of the affected cars are in the hands of owners. The rest are either on dealer lots or still at the factory. There have been no reported injuries or crashes caused by the fault.
The correction for the stability control system involves a software recalibration of the electronic brake control module that takes around 20 minutes to perform. While they use the same platform, the Chevrolet Volt isn't involved in this recall because it "uses a different a brake control module," said Adler.

Semi-autonomous Cadillac CT6 has Batman's seal of approval

Earlier this year, Cadillac pushed the launch of its Super Cruise semi-autonomous technology back to 2017, but it looks like the automaker is still hard at work testing the system on its vehicles. Our photographers snapped a CT6 sedan with what appears to be the Super Cruise technology in broad daylight. The CT6 in the pictures, ignoring the massive equipment on the car's roof, appears to be stock. The barely camouflaged vehicle has more sensors on the front fascia and a black rear bumper, but other than those points, looks normal. Getting back to the massive piece of equipment on the CT6's roof. There's no way to definitively state what it is, but there appears to be four cameras on the corners of the rack. A sensor or camera is also fitted to the right side mirror, which is slightly camouflaged. With all of the wires from the roof going into the vehicle, there's a chance that the massive blacked-out piece of equipment on the roof could be used to gather data. While the equipment looks extremely scientific, someone at Cadillac must have a sense of humor, or be a huge fan of DC Comics, as a Batman's logo is prominently displayed on the roof-mounted gear. Cadillac announced its Super Cruise semi-autonomous technology two years ago. The system will be able to speed the car up, keep the vehicle in its lane, and slow it down. The goal, in 2014, was to introduce the technology in two years (2016), but the automaker delayed the tech until 2017. Related Video: Featured Gallery Cadillac CT6 Super Cruise Spy Shots View 13 Photos Image Credit: Spied Bible / Brian Williams Design/Style Spy Photos Cadillac Technology Autonomous Vehicles Luxury Sedan cadillac ct6 Super Cruise

GM patent reveals new two-stage turbocharger

Modern turbochargers may be some of the best ever made, but performance is something that engineers are always trying to improve. According to GM Inside News, General Motors (GM) is hoping to alleviate some of the negative aspects of a two-stage turbocharger setup with a newly-patented design. The patent, that was filed on May 19, 2016, reveals a clever bypass system that allows the engine, a four-cylinder unit, to optimize both the low-pressure and high-pressure inlets for its respective functions. According to the filing, a conventional two-stage turbocharger setup is engineered to allow both turbines to operate simultaneously at low and mid engine speeds. At high engine speeds, only the low-pressure turbine works. The setup can't isolate either the low or high pressure side, which can impair low-end performance. GM's new two-stage turbocharger setup looks to eliminate this by linking the high-pressure turbo to the exhaust manifold through the high-pressure inlet duct. The low-pressure turbo is attached to the high-pressure turbo by a low-pressure inlet duct, which is linked to a connecting channel. A single actuator that is housed in the exhaust manifold creates a bypass that can opens the high-pressure inlet or close the connecting channel. Depending on what the engine load and speed is, the ECU guides the actuator—a single rotating spindle with discs corresponding to flanges on the high and low pressure sides—to isolate one of the two turbos. Isolating the turbos allow the respective inlets to be engineered for the best possible fluid dynamic performance. The setup should increase performance and decrease lag. There's no word on what car this setup will make an appearance on, but it will most likely be used in premium vehicles before trickling down to the rest of GM's vehicles. Related Video: News Source: GM Inside News, AutoGuide via GM Authority Cadillac Chevrolet GM Technology Sedan turbo patent engine turbocharging