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2015 Chevy Silverado, GMC Sierra recalled for steering issues

DETROIT — General Motors Co is recalling more than 1 million pickup trucks and sport utility vehicles in the United States due to issues with a temporary loss of power steering, the National Highway Traffic Safety Administration said. The recall is for 2015 models. They are: the Chevy Silverado 1500, Suburban and Tahoe, GMC Sierra 1500, Yukon and Yukon XL and Cadillac Escalade. The problem may cause difficulty steering the vehicle, especially at low speeds, increasing the risk of a crash, the auto safety regulator said in a document dated Sept. 12. The document did not highlight any reports of accidents and injuries, because of the power steering issue. GM dealers will update the power steering module software, free of charge for owners of the affected vehicles. In 2014, the No.1 U.S. automaker had recalled nearly 800,000 pickup trucks worldwide because of the same problem. GM did not immediately respond to a request for comment.Related Video:

Chevy Corvette is latest car breached by hackers

UPDATE: This story has been updated with comment from General Motors. In the latest car-hacking exploit in a summer full of them, researchers from the University of California-San Diego say they've found a way to manipulate braking in a 2013 Chevrolet Corvette. The vulnerabilities may not be limited to that model. Cyber-security researchers breached the car's security systems via a device they had plugged into the Corvette's OBD-II port, and through that connection, they sent messages that could turn windshield wipers on and off and tamper with the brakes as the car drove at low speeds. It's the latest in a series of car hacks that involve access to critical systems obtained via the OBD-II port, where drivers can plug in devices that provide anything from diagnostic information for mechanics to driving information for insurance companies. Last November, cyber-security engineers from Argus Cyber Security remotely controlled vehicle functions in a car that had a OBD-II dongle called a Zubie installed. In January, researchers from Digital Bond Labs found security holes in an information-tracking dongle popular with more than 2 million Progressive Insurance customers. Those came before prominent hacks unveiled in recent weeks, in which researchers remotely commandeered control of a Jeep Cherokee and, separately, showcased problems with GM's OnStar infotainment system. Regarding the dongles that plug into the OBD-II ports, Stefan Savage, a Cal-San Diego professor involved in the research, tells WIRED that, "we acquired some of these things, reverse-engineered them, and along the way, found that they had a whole bunch of security deficiencies." Savage and others unveiled the latest study at the Usenix security conference Tuesday. In a video of their exploit entitled "Fast and Vulnerable," they show how they sent SMS messages from a smartphone to the dongle plugged into the car's OBD-II port. From there, their messages accessed the CAN bus, a network on the car that connects individual electronic control units, which control dozens of vehicle functions. As they send the commands to brake the car, the driver of the Corvette notes "the pedal doesn't react to any pressure." General Motors issued a written response Wednesday, warning drivers to be careful with third-party devices they plug into their OBD-II ports.

2019 Toyota Corolla vs. compact hatchbacks: How they compare

So you've read what we thought about the 2019 Toyota Corolla Hatchback. Oh, you didn't? Well, click to your left, we'll still be here. Just made some coffee, we're good for a while. Welcome back! Wasn't that riveting? The blue paint sure is bright, eh? Well, now you must be wondering how that new 2019 Corolla stacks up with all the other hatchbacks. And, despite long thinking that hatchbacks were doomed, there are actually quite a lot of them these days. So many, in fact, that we couldn't fit them all in our space-limited comparison chart. So, with apologies to the Hyundai Elantra GT, Kia Forte and the dead-man-walking Ford Focus, these were the cars we chose based on sales and competitiveness: the Honda Civic Hatchback, Mazda3 5-Door, Volkswagen Golf, Chevrolet Cruze and Subaru Impreza. We also included the outgoing Corolla iM for reference. If you think we've left something of interest out, you can always create your own comparison. Performance and fuel economy There is but one king here, and its name is Civic. While the sedan and coupe come with a naturally aspirated 2.0-liter 158-horsepower four-cylinder that's less potent than the Corolla's, the hatchback comes standard with the 1.5-liter turbo that aces the segment in terms of both acceleration and fuel economy. The Golf's acceleration should be comparable, but as you can see, it trails on fuel economy (still not bad, though). The new Corolla ends up being better than the rest with its new 168-hp four-cylinder paired to novel transmissions: a six-speed manual with rev-matched downshifting (!) and a CVT that mimics the actions of a 10-speed automatic. The Corolla does weigh more than everything else, though, so that could hamper its acceleration. Fuel economy data also wasn't announced, but Toyota indicated it would be a bit better than the old Corolla iM. Something akin to the 2.0-liter Mazda 3's numbers seems likely. As for the Mazda, its top two trim levels actually come standard with its bigger engine. In any event, despite its ample power, testing has often showed that the Civic is still the quicker car from 0 to 60 mph. And finally, let's not leave out the two on the end. The Subaru is the only car in the segment that offers all-wheel drive (the Focus RS and Golf R don't count), but is also the segment weakling now that the Corolla iM has been discontinued.