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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.

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:

Refreshed 2019 Buick Envision gets sharper edges, optional nine-speed transmission

After 18 months on the market in the United States, the Buick Envision took its place as the third-best-selling vehicle among Buick's eight models, slotting in behind the Encore and Enclave. January sales this year jumped 13.7-percent year-over-year, just a few hundred behind the Enclave. Now, the Chinese-made compact SUV gets a modest makeover, but buyers of the 2019 Buick Envision will need to reach up into the upper trims to access the best of what's new. The big mechanical upgrade comes with the option of GM's Hydra-Matic 9T50 nine-speed automatic instead of standard the six-speed. However, that appears to be limited to just two of the five available Envision trims: Premium I and Premium II. The base, Preferred, and Essence models stick with the six-speed only. Design changes center around the front and rear fascias. The grille motif switches to a be-winged Buick emblem - in tri-color spec, not monochrome - over the previous waterfall, matching that of the sibling crossovers. The lower front fascia gets redrawn, with the fog lights at the edges now sitting in square recesses with reworked chrome trim and sharper edges on the bumper. Premium trims move up from HID projectors to bi-LED headlights, while the other three trims shed their composite halogens for HID lights. According to the 2019 order guide, Ebony seats with Dark Plum interior accents leave the menu, replaced by Dark Galvanized leather seats with Ebony trim. White interior lighting will illuminate the instrument panel and door trim, replacing Ice Blue, and comfort/convenience tweaks come in the form of wireless phone charging, an cabin air ionizer and a button to shut off the stop-start system. The latter would be a noteworthy upgrade as it's been a common complaint logged against so-equipped GM vehicles. In back, design elements get sharper edges, and the taillights switch to slimmer LED units. Designers have hidden the single exhaust outlet on the lower three trims with the base, 197-horsepower 2.5-liter engine. It appears that choosing the optional, 252-hp 2.0-liter engine will be identified by dual rectangular exhaust finishers instead of the round tips of previous years. Exterior colors hold steady at six, but Midnight Amethyst Metallic gives way to Satin Steel Gray Metallic, and the current 19-inch wheels get replaced with two new designs. The 2019 Buick Envision has already gone on sale in China, and should reach U.S. dealers in April. Related Video: