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GM recalling 2013 Buick LaCrosse, Cadillac SRX over transmission software

The National Highway Traffic Safety Administration has issued recalls for the 2013 Buick LaCrosse and 2013 Cadillac SRX due to a problem with the software for the transmission controller. On about 27,000 SRX and LaCrosse models, the transmission could accidentally be shifted to Sport mode, which would reduce the amount of engine braking drivers experience.
NHTSA says this could increase the risk of a crash, but, fortunately, the required fix is simply an update to the software.
While we're on the subject of General Motors vehicle recalls, a small number (48) of compressed natural gas versions of the 2011 Chevrolet Express are also being recalled for a potential risk of fire or explosion. Yikes. Both official recall notices are posted below.

2018 Buick Regal GS : The 310-hp American hot hatch

Buick has spent the last decade shredding its perception as the low-level luxury vehicle for geriatrics, but the brand hasn't always been associated with that crowd. In fact, ask some enthusiasts and you'll hear about the GM 3800 series engines, IndyCar racing, and the mythical GS and GNX. In that high-octane theme, GM pulled back the curtain on the all-new, all-wheel drive, 310-horsepower 2018 Buick Regal GS Wednesday morning in Milford, MI. The GS is basically a sport-tuned version of the all-new Buick Regal. We've seen the standard and high-riding wagon variants, but this is our first look at what's likely to be the enthusiast pick. The Regal GS uses the five-door sportback bodystyle from the standard car (though a GS version of the TourX would be awesome), swiped from GM's soon-to-be former German division, Opel. While a number of automakers are downsizing engines, Buick is soldiering on with its tried and true naturally aspirated 3.6-liter V6, in this guise making 310 horsepower and 282 lb-ft of torque. Power is sent to all four wheels through a nine-speed automatic. The all-wheel drive system uses a twin-clutch setup and has been tuned specifically for the GS. The Regal GS makes more power than both the Acura TLX A-Spec (290 horsepower) and the Lexus IS350 F-Sport (306 horsepower). The V6 features both cylinder deactivation and auto stop/start for better fuel economy. The fully independent suspension uses the second-gen Continuous Damping Control (CDC), capable of 500 adjustments per second. Selectable modes allow the driver to tailor the car to fit the situation. Large Brembo front brakes are surrounded by standard 19-inch wheels and tires. The exterior gets a few styling changes like a sporty front and rear fascias, a small rear spoiler, and plenty of GS badges. Inside, the Regal GS gets unique sport seats with integrated headrests and adjustable lumbar and thigh bolsters. They even come standard with heating, ventilation, and massaging functions. The driver faces a GS badged flat-bottom steering wheel and GS-specific pedals. A full-color heads-up display is optional. Available safety features include front pedestrian braking, lane keep assist with lane departure warnings, forward collision alert, automatic emergency braking, and adaptive cruise control. The real key for the success of the Regal GS could be pricing.

2019 Buick Regal to get Avenir luxury treatment

Buick will make the 2019 Regal sedan available in its top-tier Avenir trim, the fourth Buick model to carry the sub-brand name after the Enclave, LaCrosse and the GL8 in China. Buick says the Avenir line is selling faster than other trim levels on both the Enclave and the LaCrosse, and that half of all Regal Sportback buyers are opting for the top trim level, reflecting buyers' demand for more premium midsize cars. "Avenir sales have exceeded our expectations," Phil Brook, vice president of Buick and GMC Marketing, said in a statement. "Buick customers value the exclusive styling, premium features and convenient experience Avenir provides, and we are excited to extend that successful formula to Regal." So what's the Regal Avenir all about? Well, Buick will debut its first cloud-connected infotainment system, bringing embedded apps and enabling owners to set up their own profiles and user preferences for use in things like available navigation and voice-recognition, and carry over that profile to other compatible vehicles. The Avenir will come standard with safety and driver-assist technologies such as rear park assist, rear cross traffic alert, lane-change alert with side blind zone alert, LED headlights with auto leveling, cornering lamps and driver-side auto-dimming mirrors. Advanced adaptive cruise control and other active safety technologies are also available. Inside, there's a "Whisper Beige" theme with ebony accents, diamond quilt-stitched front seats, embroidered first-row headrests and sill plates carrying the Avenir script. An ebony theme is also available. The exterior gets a more dramatic look, with the Avenir 3-D mesh upper grille, script badging on the front doors and 19-inch Pearl Nickel wheels. Under the hood is the Regal's standard 250-horsepower 2.0-liter four-cylinder making 260 pound-feet of torque and mated to a nine-speed automatic. Avenir was the name of a four-door concept Buick unveiled as a surprise in 2015 in Detroit. The next year the company announced it would use the name as a top-tier trim level starting with 2018 Buicks. Pricing for the 2019 Buick Regal Avenir will be announced when it arrives at dealers. Related Video: