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GM warning 800,000 owners that their cars may need oil changes more frequently than they say

The days of changing your engine oil every 3,000 miles are long gone thanks to most cars having automatic oil monitoring systems, but about 800,000 General Motors vehicles apparently have incorrect monitoring software that is leading to premature engine component wear. According to Autoweek, certain 2010-2012 Buick LaCrosse, Regal, Chevrolet Equinox and GMC Terrain models equipped with 2.4-liter four-cylinder engines could be going too long in between oil changes resulting in a higher-than-normal number of warranty claims for the engine's balance chain. The balance chain links the balance shaft to the crankshaft, and a worn one can produce higher noise levels.
As a fix, GM dealers will be reprogramming the software for the monitors in an effort to reduce the interval between oil changes, which varies based on driving habits and conditions. Through February 2015, the software update will be done at no cost to vehicle owners, but since this is not a recall, after that point, it will be up to the discretion of dealers as to whether or not they will charge for the service. What isn't immediately clear is whether GM plans on giving assistance to out-of-warranty customers who are experiencing engine issues from the worn chain.

The 2020 Buick LaCrosse we won't get looks exceptional

GM is killing off the Buick LaCrosse in the United States after the 2019 model year, but elsewhere it lives on. Buried by all the Geneva news this week, GM quietly took the wraps off a 2020 Buick LaCrosse facelift for China. It only makes sense to keep selling the big Buick in the popular Chinese market (now Buick's largest), but we're a tad jealous of what we can't have stateside. The changes Buick has implemented make the LaCrosse into a far more handsome option. Both the front and rear get massaged here. A new horizontal patterned grille, slimmer headlights with a neat LED design, plus new lower bumper surround all work together to provide a more upscale look. The view out back is an even larger departure from the old and somewhat awkward rear end on the 2019 LaCrosse. Smaller, flowing taillights mesh well with the chrome strip on the trunk lid, then dual exhaust outlets offer a sporty flair to the squat rear end. The Buick badge looks cohesive with the look as a whole now, instead of just chilling out alone on the expansive trunk lid. An updated powertrain package goes along with the new looks, too. GM is snagging its new 2.0-liter turbocharged four-cylinder LSY engine it uses in the Cadillac XT4 for duty here. It makes 237 horsepower and 258 pound-feet of torque, and is mated to GM's nine-speed automatic transmission. China will be the only market to see this generation of LaCrosse as GM plans to exclusively produce it in its Shanghai facility. The Detroit-Hamtramck plant that previously made it for all North American markets was among those facilities GM announced would close, bringing with it the LaCrosse and other vehicles. Related video:

Next-gen LaCrosse, Cascada convertible coming to Buick showrooms in 2016

It's difficult to overstate how significant the post-bankruptcy years have been for General Motors' Buick brand. Arguably the most improved American automaker, Buick has rounded out its range with an excellent compact in the Verano, a well-balanced midsizer in the Regal and a segment-busting mini-CUV, with the Encore.
Seeking to keep that momentum going, the next several years will see the brand address a trio of its most obvious issues. First and foremost will be a replacement for the aging LaCrosse, a vehicle whose only bit of attention since its 2009 debut was a very light refresh in 2013.
According to Automotive News, we should expect the next-generation LaCrosse to arrive late next year or early in 2016, as a 2016 model. AN expects big design changes, as Buick attempts to further the LaCrosse from its popular platform-mate, the Chevrolet Impala. The changes won't be so radical, though, as to do away with its front-drive architecture, as the latest version of the Epsilon platform will underpin the next LaCrosse. The 3.6-liter V6 is likely to carry on, although a smaller, budget-minded offering is also extremely likely (we'll eat our hat if it's not the 2.0-liter, turbocharged four-cylinder from the Regal, Verano and Cadillac CTS et al.).