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GM faces possible class action lawsuit over 8-speed transmission

General Motors has been hit with a class-action lawsuit from owners who allege the eight-speed automatic transmission found in several rear-wheel-drive Chevrolet, Cadillac and GMC models between the 2015 and 2019 model years has a defect that causes the vehicles to hesitate and jerk when accelerating or slowing down. The lawsuit was posted to ClassAction.org and spotted by GM Authority. Problems with GM's Hydra-Matic 8L90 and 8L45 transmissions have been well-documented on Internet forums and via complaints filed with the National Highway Traffic Safety Administration, with many reporting damage to their vehicles. The lawsuit was first filed in December in U.S. District Court for the Southern District of Florida but appears to have been transferred recently to New York. Autoblog sought comment from Theodore Leopold, the lead attorney for the plaintiffs. "These transmissions have a common defect," the complaint reads. "Drivers attempting to accelerate or decelerate their cars feel a hesitation, followed by a significant shake, shudder, jerk, clunk, or 'hard shift' when the vehicle's automatic transmission changes gears." The problem also occurs when the vehicles accelerate in a single gear, without shifting, the plaintiffs allege. "Drivers have reported that the shift is sometimes so violent, they feel as though they have been hit by another vehicle." The problem is believed to center on the transmission, torque converter or both. The complaint says it causes undue friction, causing hydraulic systems and gears to function improperly and sometimes leaves metal shavings throughout the transmission, leading to costly repairs and replacement of parts or the entire transmission. It says GM has known about the problems since shortly after it introduced the transmissions, and has issued 13 technical service bulletins, none of which have resolved the problem. GM declined to comment on the lawsuit. The plaintiffs say GM should have warned consumers about the issues and covered repairs under each vehicle's three-year/36,000-mile bumper-to-bumper warranty. They're seeking statewide classes in at least six states: California, Florida, Illinois, New York, Oklahoma and Texas.

2017 Chevy Bolt Prototype Quick Spin [w/video]

To say that there's a lot riding on the upcoming Chevy Bolt doesn't quite get at how important this all-electric vehicle could be for GM. To say that there's a lot riding on the upcoming Chevy Bolt doesn't quite get at how important this all-electric vehicle could be for GM. We are entering a new phase for EVs in the US, and it's one where there will be more than one 200+ mile range electric model that will cost around $30,000-$35,000. The two obvious first entries are the Tesla Model 3 and the Bolt, but you can bet your Level 2 charger that Nissan will be joining the party as well, along with all sorts of as-yet-unannounced entries from other automakers. The main change that all of these longer-range EVs will bring is – potentially – to make plugging in your car a mainstream thing. And if the mainstream is in play, then there's money to be made, and you're going to need one heck of an EV to get people to pick your car instead of someone else's. So, yeah, the Chevy Bolt could be a big deal. And today we not only got a bit more information about the car but we also got to go on a really short test drive in a prototype version outside of the Las Vegas Convention Center as part of CES 2016. The "drive" took place in a closed-off parking lot and my two laps through the cone course took less than three minutes, but I can still say that it looks like GM will be bringing a solid option to the marketplace soon. Chevy Bolt Prototype front 3/4 View 16 Photos If you shift into L, the regen becomes wonderfully strong. One of the pleasant surprises in the Bolt prototype is the ability to drive with just one pedal. When in D, the Bolt coasts a bit, which is nice for highway driving, but if you shift into L, the regen becomes wonderfully strong. Strong enough that you don't need to engage the brakes at all if you're in standard city traffic, with lots of gentle stops and starts. If you want even more stopping power without getting the brakes involved, the Bolt also has the regen-on-demand feature that was introduced in the Cadillac ELR and works great in the second-gen Chevy Volt. When you pull the paddle on the left back side of the steering wheel, the electric motor instantly becomes a generator and the Bolt turns forward momentum into energy for the battery pack. It will even bring the car to a complete stop and then hold it when you release the paddle.

IIHS: High numbers of drivers treat partially automated cars as fully self-driving

WASHINGTON — Drivers using advanced driver assistance systems like Tesla Autopilot or General Motors Super Cruise often treat their vehicles as fully self-driving despite warnings, a new study has found. The Insurance Institute for Highway Safety (IIHS), an industry funded group that prods automakers to make safer vehicles, said on Tuesday a survey found regular users of Super Cruise, Nissan/Infiniti ProPILOT Assist and Tesla Autopilot "said they were more likely to perform non-driving-related activities like eating or texting while using their partial automation systems than while driving unassisted." The IIHS study of 600 active users found 53% of Super Cruise, 42% of Autopilot and 12% of ProPILOT Assist owners "said that they were comfortable treating their vehicles as fully self-driving." About 40% of users of Autopilot and Super Cruise — two systems with lockout features for failing to pay attention — reported systems had at some point switched off while they were driving and would not reactivate. "The big-picture message here is that the early adopters of these systems still have a poor understanding of the technologyÂ’s limits," said IIHS President David Harkey. The study comes as the National Highway Traffic Safety Administration (NHTSA) is scrutinizing Autopilot crashes. Since 2016, the NHTSA has opened 37 special investigations involving 18 deaths in crashes involving Tesla vehicles and where systems like Autopilot were suspected of use. Tesla did not respond to requests for comment. Tesla says Autopilot does not make vehicles autonomous and is intended for use with a fully attentive driver who is prepared to take over. GM, which in August said owners could use Super Cruise on 400,000 miles (643,740 km) of North American roads and plans to offer Super Cruise on 22 models by the end of 2023, did not immediately comment. IIHS said advertisements for Super Cruise focus on hands-free capabilities while Autopilot evokes the name used in passenger airplanes and "implies TeslaÂ’s system is more capable than it really is." IIHS in contrast noted ProPILOT Assist "suggests that itÂ’s an assistance feature, rather than a replacement for the driver." NHTSA and automakers say none of the systems make vehicles autonomous. Nissan said its name "is clearly communicating ProPILOT Assist as a system to aid the driver, and it requires hands-on operation.