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GM under fire from safety advocates over braking problem caused by recall fix

Safety experts are lambasting General Motors over what they say is the automaker’s slow notification of owners of certain 2019 sedans and trucks that a recall fix could cause power braking to fail and increase the risk of a crash, the Detroit Free Press reports.  GMÂ’s original recall in December targeted about 550,000 Cadillac CT6 sedans and Chevrolet Silverado 1500 and GMC Sierra 1500 pickups, all from the 2019 model year, over potentially defective electronic stability control and antilock brakes. In that case, GM said the errors would not show up as a diagnostic warning on the instrument cluster. But after GM had done recall work on 162,000 vehicles, about 1,700 owner have complained that their power brakes didnÂ’t work after they had the recall done and then used the OnStar app to start their vehicle. GM then issued a supplemental fix for customers whoÂ’d already had their vehicles serviced. In this case, a diagnostic warning should illuminate saying either “Service Brake Assist” or “Service ECS,” which GM says is a signal that a customer should not drive the vehicle and instead call their dealer, which will tow the vehicle and have it repaired. Safety advocates say the automaker hasnÂ’t gone far enough to protect customers. “The fact that you could potentially start a vehicle and not have brakes is a pretty risky proposition,” Sean Kane, president of the Safety Research and Strategies, which works on auto issues for plaintiffs and governmental organizations, told the Freep. “The fact that they wouldnÂ’t notify owners (sooner) is pretty stunning.” GM told the Freep it was required to notify the National Highway Traffic Safety Administration and file paperwork before it notified customers about the original recall, which was made Dec. 12. It then had to investigate and resolve the problem created by its original recall fix before alerting customers. GMÂ’s call center and dealers are contacting the remaining 900 customers who havenÂ’t yet had the update made to the original recall repair. GM also hired a vendor to send recall letters to the 550,000 customers affected by the original recall notifying them about the update. There are no known injuries or deaths related to the problem. Read the Freep story here.

2024 GMC Sierra prices go up — and also down

The 2024 GMC Sierra 1500 is ready to work the yard, but how much you'll need to get the pickup back to your yard has changed compared to the 2023 Sierra — most often in a good way. The changes for the new model year aren't substantive, just enough to give Sierra lovers enough modification to prove they have the latest. The AT4X was only available with the 6.2-liter V8 in 2023; for 2024 the big bad off-road trim makes the 3.0-liter Duramax diesel inline-six the standard engine and takes $2,400 off the base price compared to last year's 6.2-liter. On top of that, the 6.2-liter AT4X costs $500 less than last year. Re: the gas V8, this is the opposite of the hefty increases we've seen Chevrolet generally do with 6.2-powered trims. The SLT, AT4, AT4X, Denali, and Denali Ultimate get the option of an active exhaust on four-wheel-drive trims with the 6.2-liter for $395. The 2.7-liter Turbo H.O. four-cylinder gas engine is rebranded TurboMax and comes with a five-year, 100,000-mile warranty. Two new wheel designs enter the catalog, availability depending on trim, and colors join the palette, their availability also trim-dependent: Downpour Metallic replacing Pacific Blue Metallic, and Thunderstorm Grey, both adding $495 to the price. Now to the haggling. Even though destination has risen $100, to $1,995, five of the eight trims — including the diesel AT4X — are less expensive than they were a year ago, some of them by $1,000. The new sums after destination and their differences from 2023 are:  Sierra Pro Regular Cab Standard Box 2WD TurboMax: $39,695 ($700) SLE Double Cab Std Box 2WD TurboMax $51,095 ($1,000 less) Elevation Double Cab 2WD TurboMax $52,795 ($1,000 less) SLT Crew Cab Short Box 2WD 5.3L V8 $56,795 ($1,000 less) AT4 Crew Cab Short Box 4WD Duramax 3.0L I6 $68,595 ($500 less) AT4X Crew Cab Short Box 4WD Duramax 3.0L I6 $81,195 (New trim) Denali Crew Cab Short Box 2WD 5.3L V8 L84 $68,595 ($1,000) Denali Ultimate Crew Cab Short Box 4WD Duramax 3.0L I6 $83,490 ($500) Since certain varieties of the 2023 Sierras are still on the configurator and in dealer inventory, any business wanting to take a tax loss for 2023 should buy the older Sierra. Regular buyers willing to forego the new bits on the 2024 Sierra will likely be able to find dealers ready to take a machete to the MSRPs of some 2023 Sierras sitting on the lot.

GMC Hummer EV revealed as a 1,000-hp, 350-mile, fast-charging beast

The 2022 GMC Hummer EV has finally been revealed, and it certainly looks the part. It has chunky, squared-off styling, big tires pushed to the edges, and a towering fascia. But it’s not a case of form over function. On the contrary, the Hummer EV is has some pretty wicked technology and gear under the skin. The first version of the Hummer EV that will be available is the tricked-out Edition 1. It features three electric motors, which allows for torque vectoring. These motors make 1,000 horsepower, though GMC still hasnÂ’t given real-world torque numbers. The motors are fed by a 24-module Ultium battery pack. The pack can provide an estimated 350 miles or more of range. Not only that, but it supports 800-volt fast charging up to 350 kW. ThatÂ’s comparable to PorscheÂ’s charging system, and GMC says it can add an extra 100 miles of range in just 10 minutes. Later, a two-motor Hummer EV and a three-motor version without torque vectoring. The Hummer EV rides on fully independent suspension with adaptive air shocks. They can provide continuous damping adjustments for comfort, and have a height adjustment range of 6 inches. When set in its max-height off-road mode, it has two additional inches of ground clearance, and the "Extract Mode" will lift it six inches higher than default. The Edition 1 model also comes with standard 35-inch mud terrain tires, and combined with the suspension, the Hummer EV has a fording depth of 2 feet and the capability to climb over an 18-inch vertical obstacle. Owners will be able to easily add more clearance since GMC made the wheel arches large enough to accommodate aftermarket 37-inch tires. Additional off-road goodies include skid plates along the chassis, rock sliders, the previously covered four-wheel steering with Crab Mode diagonal driving, and 18 camera views including angles under the truck for getting over rocks. Those cameras feature sprayers, too to keep them clean. Detailed information on torque output, torque vectoring, tire pressure, vehicle angles and more are also displayed on the infotainment screen. Speaking of that infotainment screen, itÂ’s a massive 13.4 inches and is paired with a 12.3-inch instrument display. They feature proudly in a squared-off, rugged-looking interior. The Hummer EV will get the latest version of Super Cruise, complete with automatic lane-changing. The Edition 1 gets the removable roof panels as standard, and those roof panels are clear, so you can still get some sun with them in place.