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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 issues four new recalls, 2.4 million cars affected

General Motors has announced another set of recalls, covering some 2.42 million cars in the United States. For those keeping track, The General has now recalled over 15 million cars worldwide this year due to various issues.
Here's the breakdown for this most recent set of recalls:
1,339,355 - Buick Enclave, Chevrolet Traverse, GMC Acadia models from the 2009 to 2014 model years; Saturn Outlook models from the 2009 to 2010 model years

Updated Buick LaCrosse, Regal to debut at New York Auto Show

Judging by the spy shots we saw last week for the 2014 Buick LaCrosse and 2014 Buick Regal, we knew it wouldn't be much longer until we saw both sedans receive a grand debut. Today, Buick confirmed to Autoblog both cars will be introduced at the New York Auto Show next month, but no further information has yet been released about either model.
Having been on the market for an extra couple years, the changes to the LaCrosse appear to be more significant than those coming for the Regal, but both will be getting refreshed exterior designs as well as updated interiors. The Regal's new face brings it more in line with the all-new Encore and the restyled Enclave, while the LaCrosse should get a more distinctive, upscale appearance.
Both cars will be introduced exactly a month from today, and we'll be there to bring you all the coverage.