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GM recalls 3.8 million vehicles in North America due to braking issue

WASHINGTON — General Motors Co said Wednesday it was recalling 3.46 million U.S. pickup trucks and SUVs to address a vacuum pump issue that could make braking more difficult and that has been linked to 113 accidents and 13 injuries. The recall covers 2014-2018 model year vehicles, including some Cadillac Escalade, Chevrolet Silverado, Chevrolet Tahoe, GMC Sierra, Chevrolet Suburban and GMC Yukon vehicles. In late June, GM recalled 310,000 vehicles in Canada for the same issue. GM did not immediately explain why the Canadian recall occurred more than two months before it called back the vehicles in the United States. The recall was triggered because the amount of vacuum created by the vacuum pump may decrease over time, GM told the National Highway Traffic Safety Administration (NHTSA) in documents posted on Wednesday. The NHTSA opened a preliminary investigation into the issue last November, and said it had reports of nine related crashes and two injuries. It provided GM in July with additional field reports that prompted the automaker to open an investigation. GM said it could affect braking in "rare circumstances." The NHTSA said in a statement the "vehicles may experience brake boost failure, which would require increased brake pedal effort, leading to a hard brake pedal feel, and potentially increased stopping distance." GM said dealers will reprogram the electronic brake control module to improve how the system utilizes the hydraulic brake boost assist function when vacuum assist is depleted. GM said the vacuum assist pump, which is lubricated with engine oil that flows into the pump through a filter screen, can in some cases lose effectiveness over time, as debris such as oil sludge can accumulate on the filter screen. GM told NHTSA that prior model years used a different brake assist system design, and vehicles manufactured after 2018 were not equipped with the affected pump design. Separately, GM said on Wednesday it is recalling 270,000 additional U.S. vehicles in three smaller recalls, including 177,000 2018 Chevrolet Malibu cars with 1.5L turbo engines because an error in the engine control module software may result in the fuel injectors being disabled.

Cadillac CT6 styling will be evolutionary, not like Elmiraj

Well, this is at least a little disappointing. It turns out Cadillac's long-awaited flagship, the CT6, won't be ushering in a wholesale change in the company's design. That's coming from GM Design guru Ed Welburn, meaning it should be taken as gospel (unless of course he's just trying to hoodwink us). "It'll be different and it will certainly stand out in the portfolio," Welburn told Automotive News. "But you won't see a real shift in direction." Instead, Art and Science will be shown in yet another new form, and will "continue to evolve," according to Welburn, although what that means is unclear. What we can say for certain, though, is that Art and Science on the CT6 will not evolve into the stunning Elmiraj Concept. "I think Elmiraj was more of an influence on some other things we're working on for Cadillac," Welburn said, we're guessing with a smirk and an air of mystery. Considering we have yet to see the CT6, it's hard to tell whether this will be good news or bad, although based on the critical reception to the Elmiraj, we're a little bit disappointed by Welburn's statements. Still, only time will tell whether the styling of the CT6 will really work out.

2018 Cadillac XTS does its best CT6 impression

Although the Cadillac sedan lineup almost exclusively consists of rear-drive sedans, one last bastion of the old front-drive Caddy exists in the XTS. And it looks like the old-school XTS isn't going anywhere, since it just got a refresh that makes it look more like the CT6 and the CTS. This of course is a bit ironic considering the fact that the CT6 will look different in the near future. Until then, though, this update does make the XTS look more up-to-date. The main part of the headlights end higher up on the front fascia, while a strip of LED accent lights waterfall down the front bumper. The grille has slightly more sculpted slats, and the front badge has been scaled down a bit. There are no longer creases that unify the main grille and the lower one in the bumper, which help the car appear lower and wider than the outgoing model. At the back, the license plate position has been moved down to the bumper, and the trunk lid has more lines and creases. The taillights now have horizontal elements that extend toward the middle of the car. The exhaust finishers and the reverse light also look larger and more prominent now. The refreshed XTS also brings a couple of new trim options. There are new wheel designs both in 19- and 20-inch sizes. Inside, XTS buyers will be able to choose from three new color and upholstery combinations. Two of them, however, are exclusive to the Platinum trim level and come with semi-aniline leather seats. There's not really anything new mechanically with the 2018 XTS. The only major change seems to be a new tire design that is quieter and provides a smoother ride. Otherwise, the XTS will remain available with either the standard 3.6-liter V6 making 304 horsepower, or the optional 410-horsepower twin-turbocharged 3.6-liter V6 in the V-Sport model. The standard engine comes with either front-wheel drive or all-wheel drive, and the V-Sport is only available with all-wheel drive. Pricing has yet to be released for the 2018 model year. Related Video: Featured Gallery 2018 Cadillac XTS Image Credit: Cadillac Cadillac Luxury Sedan cadillac xts