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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.

Watch the 2019 Autoblog Technology of the Year presentation to Cadillac

Autoblog presented our 2019 Technology of the Year Award to Cadillac at the Detroit Auto Show. Autoblog conducted rigorous testing last fall on the latest automotive technologies, and Cadillac Super Cruise earned top honors, edging out Infiniti's Variable Compression Turbo and Mercedes' EQ technologies, the other two finalists. Super Cruise is a semi-autonomous system that allows for hands-free driving to reduce the driver's workload. Our editors found it easy to use and noted the system simply works as intended. We happily found Cadillac under-promised and over-delivered with Super Cruise, a clever system that truly helps the driver. Super Cruise launched on the CT6 sedan, and Cadillac plans to roll out the feature to other vehicles. Watch the video above as Cadillac President Steve Carlisle receives the 2019 Autoblog Technology of the Year Award from Editor-in-Chief Greg Migliore, with Autoblog GM Adam Morath and the editorial team on hand at the Detroit show. Related Video:

Woman thwarts car thieves by jumping on hood

When a pack of car thieves tried to steal a Milwaukee-area woman's car at a gas station, she didn't run for help. Oh no. She hulked out, jumped on the hood, and screamed her head off until the thief finally ran off. According to WISN, Melissa Smith was gassing up her white Subaru Outback at a BP station near Milwaukee's historic Third Ward on the afternoon of May 24. As she stood there pumping gas and minding her own business, a black Cadillac swung slowly around the front of the Subie and came to a stop just off the front left corner. As Smith turned her back to hang up the pump nozzle, a dude bailed out of the Caddy, crouched down, and snuck into the Outback's driver's seat. "I didn't see him till I saw him get into my car. Or someone was in my car, and had my, 'Oh, hell this isn't happening to me today' moment," Smith told WISN. As soon as she saw the thief in her car, Smith ran around the front then leaped on to the hood. She started yelling and pounding on the windshield as the thief tried to pull away from the pump, but he refused to stop. He tried a couple quick stops in an attempt to shake her off, but to no avail. "He looked at me, and he laughed at me, which really irritated me," Smith said. "He was laughing while I was on my car, and he was trying to throw me off, so zero remorse." Smith clung to the Subaru, shouting and pounding until the thief gave up. He abandoned ship, jumped back into the Caddy, and the group of thieves sped away. Unfortunately, when the thief bailed he left the Subie in gear with Smith still holding on for dear life. "Then I had to chase my car into the street and stop it before it hit somebody else," Smith said. Thankfully, Smith was unharmed in the incident, but the crooks got her purse, phone, wallet, and sunglasses. Milwaukee police are still looking for the suspects, who they say stole the black Caddy before trying to steal Smith's Subaru. Related Video: News Source: NBC News, WISN Auto News Weird Car News Cadillac Subaru Crossover Sedan carjacking milwaukee