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Opel to be shuttered in China, but will restart Buick production in Germany

Opel, General Motors' troubled German brand continues its quest to reinvent itself and find solid profitability. In the course of that metamorphosis, the company has a bit of good news/bad news today. The good news is, it will once again begin screwing together Buick models for the American market. The bad news, though, is that it's being shut down in yet another country, China.
Let's start with the good news. The last vehicle Opel's Ruesselsheim factory built for the North American market was the early run of the then-new Regal, which is based heavily on the Opel Insignia. Production ran for just over two years, from 2009 to 2011, before moving production to Oshawa, Ontario.
Now, thanks to a 245-million-euro investment (just over $336 million), Opel will kick off production of a unspecified model for the US in the "second half of the decade," according to Automotive News. According to Opel, the new model will be announced before the end of 2014. You can begin your speculation about this new model down in Comments (we're wagering it'll be the Cascada convertible, sold here under the Buick umbrella).

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.

How to hack a Buick Regal with CarKnow

If you own an Apple iPhone or Android device, perhaps you've been tempted to jailbreak or root it. This process gives you access to the the software's code, and can be used to make minor or drastic changes to its operating system. CarKnow, a company in Boston, is working applying a similar concept to the automobile.
Translogic recently took a look inside CarKnow to see just how it can tweak the computers inside a car and what sort of things can be done. As our transportation tech sister site explains, CarKnow basically created a digital duplicate of their Buick Regal in the cloud, while harvesting data generated to create custom apps and infiltrate the deepest function of their test car.
And before you freak out about people maliciously taking over your car, CarKnow's founder, Josh Siegel, stresses that it isn't quite so easy as driving up alongside someone. Take a look at the full video below to see just what it's like to jailbreak a car.