2013 Buick Lacrosse Base Sedan 4-door 3.6l on 2040-cars

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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.

GM laying off 510 amidst slow Cadillac, small car sales

General Motors is laying off about 510 workers from two factories beginning in January, and it could be months before the automaker needs some of that latent capacity to come back on line. A combination of poor sales and high dealer inventories are prompting the cutbacks, according to Automotive News.
The largest changes come at GM's Lansing Grand River plant, where the Cadillac ATS and CTS are made. An entire shift of about 350 workers is being laid off, but the automaker hopes to find positions for some of them at other nearby factories. The decision leaves just a single shift building vehicles there. According to Automotive News, the move is partially spurred by Johan de Nysschen's plan to make Cadillac a more exclusive brand.
The lost shift will likely return for production of the next-generation Chevrolet Camaro at the plant, according to the report, but GM isn't saying when that will be. A previous announcement from the Canadian Auto Workers union indicated that the Oshawa, Ontario, factory would lose the coupe in late 2015 or early 2016.

Buick to add more GS models?

Buick may not be the first name that comes to mind when you think of performance automobiles, but fans of the brand know what letters to look for. If you believe the reports, there's a new GNX and Grand National on the way, but in the meantime, Buick may offer more GS models to fill the void.
Currently, the Regal is the only model available as a GS (pictured above), packing the same 259-horsepower turbo four as the Regal Turbo but enhanced with key suspension, brakes and rolling-stock upgrades. As Car and Driver notes, similar upgrades could easily be applied to the Verano and LaCrosse, although maybe not the Encore or Enclave crossovers. Of course, Buick would still have to steer clear of Cadillac's Vsport line, but that doesn't mean it doesn't have a little room to play.