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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.

We hear Buick is testing a Regal wagon with focus groups

Rumors about a possible Buick Regal wagon have come and gone for the past few years, and today we have another one. A friend of Autoblog recently let slip that Buick is talking with customers and running focus groups of a new car against the Acura TSX wagon and an unnamed Volvo wagon. Of course the Buick model being used in the focus groups wasn't mentioned, but the Regal is the only Buick in the lineup of comparable size and with a wagon version overseas. Plus, we've heard that Buick told dealers a wagon is in the works at a meeting a few months ago. We reached out to Buick for comment, however no details were given. A Buick spokesperson told us, "By the end of 2017, we'll be revealing three more new models for a total of seven new Buicks in just 24 months." Of the seven new models, four have been launched: the Cascada, Encore, Envision and LaCrosse. Looking at Buick's current line-up, that leaves three models that haven't been updated yet: the Enclave, Regal and Verano. This is where a Buick Regal wagon could come in. We know the Enclave is definitely getting a replacement. The large crossover market is huge and GM has a platform for it. We're also expecting a new Regal sedan to come out next year. The Verano, however, is unlikely to see another generation. If the Verano goes away, that leaves an opening for a new Buick model. Rather than another sedan, Buick probably wants more crossovers, as the company said it expects its current line-up to bring in 70 percent of its sales. It could very easily add another CUV to the line-up by giving the Regal wagon the Volvo Cross Country treatment. Raise the ride height, gird it with plastic fenders and bumpers, and give the wagon a trendy name like "Tourx" or "Regal Tourx," which the company has already trademarked, and Buick's newest crossover is ready to go. In fact, GM has effectively already done this to the Regal's German sibling, the Insignia, in the form of the Insignia Country Tourer, pictured above. In summary, a CUV-like wagon could give Buick a trendy car in a hot class for a minimal investment. It would even provide Buick with a model that has no equivalents elsewhere in the GM stable, giving the company a bit more distinction. If the company does bring us a wagon version of the Regal, we would expect to see something next year, possibly with the reveal of the normal Regal variants.

Buick lowering base prices on Regal, Verano

Buick might have two new options for buyers in the market for an inexpensive luxury sedan. In a move similar to the introduction of the LaCrosse 1SV base trim a few months ago, the brand is ready to offer cheaper, entry-level versions of the Regal and Verano. Like the LaCrosse 1SV, the Verano 1SV mostly cuts dealer margins to reduce the cost for customers. The small sedan is priced at $21,065, plus $925 destination, which is a significant $2,315 drop compared to the next higher trim. The powertrain is still a 2.4-liter four-cylinder making 180 horsepower and 171 pound-feet of torque and a six-speed automatic, but buyers lose out on satellite radio. According to CarsDirect, dealers are making just $106 on this model, versus $935 on the higher grade. Meanwhile, the Regal 1SV charts a slightly different path to a lower price. The trim starts at $27,065, which is a $2,925 savings over the next trim. Buyers still get leather seats too, but the powertrain here is a 2.4-liter four-cylinder without eAssist that makes 182 hp and 172 lb-ft of torque and a six-speed automatic. That's a 77 hp deficit compared to the turbocharged Regal, and combined city/highway fuel economy dips to 23 miles per gallon combined, compared to 24 mpg with forced induction. Buick is introducing the 1SV models in hopes of grabbing more attention for the brand. "We added this new base level to some models as a means of expanding the opportunity for more customers to experience Buick vehicles. The addition of these trims will create an increased awareness and consideration of these vehicles when being compared to the competition," said company spokesperson Nick Richards to Autoblog. However, you might not see many of these inexpensive Buicks on the road. "On the Verano, we suspect dealers will opt to stay away from a car with around $100 between invoice and MSRP - that's the pattern we've been seeing on the LaCrosse 1SV, which is practically impossible to find," said CarsDirect Senior Pricing Analyst Alex Bernstein to Autoblog. Also, the Regal 1SV's switch to a less powerful, naturally aspirated engine "could be a turn-off for some shoppers," he said. Related Video: