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GM recalls 3.6 million vehicles for airbag-software problems

The Basics: General Motors is recalling 3.64 million vehicles across its lineup for an airbag-related issue. The recall covers the 2014-2015 Buick LaCrosse, Chevrolet SS, and Spark EV; 2014-2017 Chevrolet Corvette, Trax, Caprice PPV, Silverado 1500, Buick Encore, and GMC Sierra 1500; and 2015-2017 Chevrolet Tahoe, Suburban, Silverado HD, GMC Yukon, Yukon XL, Sierra HD, Cadillac Escalade, and Escalade ESV. The Problem: Affected vehicles have a sensing and diagnostic module that controls the airbags and seat-belt pretensioners. The software it uses has a defect that can prompt the module to run a diagnostic test under specific driving conditions, which will also deactivate the front airbags and pretensioners. This means that it would be possible for those safety systems to not activate in a crash, potentially leading to injury or death. Injuries/Deaths: General Motors began an investigation that led to the recall after a 2014 Silverado was involved in a crash in which the airbags did not deploy. No information was given as to injuries or deaths. The Fix: Owners can bring their vehicles to a local General Motors dealer where a software update will be installed to fix the issue. The fix will be free of charge. If you own one: General Motors will contact owners of affected cars, and owners can check whether their vehicles are affected by visiting entering their vehicle identification numbers at either the GM Owner Center website or the NHTSA website. Owners can then schedule a time to have the update installed. Related Video:

New GMC feature reminds drivers to check for kids in hot cars

We see the stories every summer: Dozens of children die from heat stroke every year after being left inside hot cars. GMC has introduced a feature in the 2017 Acadia in an effort to help curb the problem. Simply called Rear Seat Reminder, it alerts the driver if the vehicle suspects someone might have been accidentally left behind. GMC's alert will trigger under certain circumstances. Five chimes will sound and a warning will display if the rear doors are opened and closed within 10 minutes of the vehicle starting or if those doors are opened while the vehicle is running. The system does not sense items or people in the rear seat like the front passenger seat would to trigger the airbag. Warnings will be displayed regardless of interior or exterior temperature; while the summer months are the deadliest, leave-behind deaths occasionally occur during cold weather. Drivers should be aware that temperatures in vehicles can quickly rise to dangerous levels, even if the ambient temperature seems cool and comfortable. View 23 Photos Unfortunately, a large percentage of children are intentionally left in cars. A negligent caretaker, whether it be a parent, grandparent, or babysitter, can leave a child behind while they go to work or run an errand, not expecting any problems. Some children unintentionally trap themselves in cars while playing in the cabin or trunk. The Acadia's system is unlikely to prevent these scenarios. While we believe that GMC should be commended for making an effort to put an end to these tragedies, we're not certain how effective the system might be until driver education improves. It's also possible drivers will come submit to warning fatigue and begin to ignore the messages. That said, if this software-based solution prevents just one death, it was worth the effort. Related Video: Image Credit: GMC GMC Safety Crossover gmc acadia

Hummer EV SUV official range announced: 3X truck tops 350 miles

The first run of GMC Hummer EVs were in one single specification: pickup truck in Edition 1 with all the off-road goodies. The most pertinent of those off-road upgrades to electric range being the 18-inch wheels with mud-terrain tires. And it was rated for 329 miles. But now, there are more Hummer variants. The pickup truck is now available with a 3X trim that comes standard with more efficient all-terrain tires wrapped around 22-inch wheels, and there's the SUV with both trims and both types of tires, not to mention a smaller battery pack. And now we have the official range estimates for them. We'll start with the Hummer EV SUV, since all of the official range ratings are new to us. The tires are the key factor, with the all-terrain equipped Edition 1 and 3X both managing 314 miles of range. Yes, this is less than even the mud-terrain-equipped truck, but that's mainly because the shorter length of the SUV means it has fewer battery cells and capacity. It has about 170 kWh of capacity versus the truck's 200+. Adding the Extreme Off-Road Package and its more aggressive tires drops range to 298 miles. The Four-Wheel-Steer system lets the 2022 GMC HUMMER EV Pickup m View 17 Photos As with the SUVs, the Hummer EV truck gets a solid range boost to 355 miles when it's not equipped with the off-road package. There's another benefit to the regular all-terrains on the Hummer EV truck: towing capacity. At 8,500 pounds, it can tow an extra 1,000 pounds over the models with the off-road package. GMC also notes that another potential benefit to the all-terrain-equipped trucks is a suspension tuned for better on-road handling. And our experience has shown that even Hummer with the off-road package isn't too shabby on pavement. Of course, skipping the off-road package will also save you some money, as will opting for the 3X trims. So unless you're really going off-road seriously, and would make regular use of the extra skid plates, under-truck camera and chunky tires, the standard suspension and tire setup really is the way to go. Related video: