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GM recalls 740,000 vehicles over daytime running light issue

General Motors is recalling over 740,000 vehicles due to a daytime running light issue that causes all of the affected cars to run afoul of Federal Motor Vehicle Safety Standards. Vehicles affected by this recall are spread across many of GM’s brands. Models include the 2020-2023 Cadillac CT4 and CT5, 2021-2023 Buick Envision, 2022-2023 Cadillac Escalade and Escalade ESV, 2022-2023 Chevrolet Silverado 1500, Suburban, Tahoe and 2022-2023 GMC Sierra 1500, Yukon, and Yukon XL. GM says that the daytime running lights may remain on in these cars when the headlights are activated. This is a problem, because FMVSS rules require that the daytime running lights deactivate once the headlights turn on. If the DRLs remain on, GM says that could result in additional glare, thereby increasing the risk of an accident. The cause of this failure to deactivate the DRLs comes from body control module software that “under a combination of certain pre-conditions, could fail to deactivate the DRLs,” according to GM. Other GM vehicles were tested, but due to a difference in software or hardware, they remain unaffected. If this is reminding you of another recent GM recall, youÂ’d be right, as GM recalled another 340,000 vehicles for the same issue last month. After that original issue was found within GM, the company began looking into its other cars to determine if the population was larger than originally thought. GM found the additional vehicles included in todayÂ’s recall have the problem. The fix will either be via an over-the-air update or it will require you to bring the vehicle into a dealer for a software update, depending on which vehicle you have. Owner notification letters letting folks know what is necessary are currently scheduled to go out on January 23, 2023. Related video: Cadillac Escalade Infotainment Review

Junkyard Gem: 1985 Buick Somerset Regal Limited

The Oldsmobile, Buick and Cadillac divisions of The General's mighty army got serious about their attempts to compete with futuristic and stylish German and Japanese coupes during the second half of the 1980s, with cars such as the Cadillac Allante, Oldsmobile Toronado Trofeo, and Buick Reatta. They featured edgy styling, wild digital dashes, and other interesting gadgetry. Before them, however, came the Buick Somerset. Built for the 1985 through 1987 model years, only the '85s were badged as Somerset Regals. Here's one of those ultra-rare cars, spotted in a San Francisco Bay Area self-service wrecking yard. This badging confused many Buick shoppers at the time, because the 1985 Regal was a "traditional" midsize rear-wheel-drive car, based on the increasingly antiquated G-Body platform, and the Somerset Regal was an N-Body front-wheel-drive compact. For 1985 and 1986, the car became the Buick Somerset. The interior is your standard Whorehouse Red velour, a theme used by everybody from Nissan to Chrysler during the 1985-1995 period. This cloth looks pretty nice for a car from sunny California. Digital dashes became very trendy during this period, with Mitsubishi, Subaru, Nissan, and even Toyota getting into the act during the first part of the decade, and everyone else jumping on the bandwagon a bit later. The radio face went into this weird pod perched over the HVAC controls, which looked like something from the Mars Base and made aftermarket audio-system installation nearly impossible. The factory cassette deck, if desired, had to go elsewhere in the console. The base engine in the Somerset Regal was the decidedly un-European Iron Duke four-cylinder with 92 horsepower, but this car has the optional 120-horse 3.0-liter V6. In theory, a 5-speed manual transmission was available, but I'm guessing that the quantity of so-equipped Somerset Regals was numbered in the high dozens. There's plenty of hard red plastic and fake wood inside, of course. Base price on a V6 Somerset Regal Limited came to $10,026 (about $24,000 in 2018 dollars). Meanwhile, a Pontiac Grand Am LE with the 3.0 V6 was nearly the same car and listed at $8,970. If you wanted even crazier electronics and an interior that looked like something out of a jet fighter, the 1985 Subaru XT GL had a $9,899 price tag. Give me savvy. Give me cool. Give me a car that breaks all the rules. Give me the look. Give me the feel. Give me the magic. Give me the wheel.

2018 Buick Enclave: How engineers made it larger, lighter, more sophisticated

Buick used the unveiling of the 2018 Enclave at the New York Auto Show to introduce its new range-topping Avenir sub-brand to the world. With fancier interior finishes and exterior details, it's Buick's latest effort to make itself a proper luxury brand (or perhaps re-establish itself as such). However, lost in the Avenir song and dance is the fact that the 2018 Buick Enclave is a (very) long-awaited all-new model regardless of the trim level one selects. Like the Chevrolet Traverse upon which it is based, the new Enclave is bigger than the vehicle it replaces but considerably lighter, by about 400 pounds. "We told every engineer, 'get your job done, but then take the weight out,'" said engineer Rick Spina as we hovered next to his larger yet lighter creation. His team therefore set about taking a little bit of weight out from just about everywhere, from using additional aluminum in the suspension to varying the thickness of the frame (thicker in places that needed to be stronger, thinner and therefore lighter in places that didn't). Only about 100 pounds came out of the body with the rest coming from elsewhere. Not only will the reduced weight improve fuel economy (Buick-estimated at 19 mpg combined with FWD versus 18 for the 2017 model) and presumably the old Enclave's rather ponderous handling, but it should only make things easier for the new powertrain: General Motors' now-familiar 3.6-liter V6 and its latest nine-speed automatic. With 302 horsepower and 260 pound-feet of torque, Buick says the new engine will need 7.2 seconds to reach 60 mph with FWD or 7.5 seconds with AWD. That's a second quicker than before. Besides acceleration, towing is also bumped up by 500 pounds to 5,000. For those models with all-wheel drive, the Enclave has the same basic system featured on range-topping versions of the Buick LaCrosse. Besides power being sent front and rear, it can also differ from right to left in the back, although Spina is quick to point out that capability is for traction-enhancing purposes rather than sporty, handling-enhancing torque-vectoring ones. Buick owners already appreciated the Enclave for its quietness so the engineers decided to take it that much further. This included altering the exhaust, improving body sealing (there are triple door seals), including active sound deadening and utilizing advanced materials that absorb sound as opposed to simply being thick, dense and heavy enough to keep it out.