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How GM's grueling 24-hour test gets the kinks out of its performance cars

One of the biggest challenges automakers face when designing a high-performance car is making sure that it is both fast and reliable. For General Motors, any car that might be taken to the track by its owner - like the Corvette, Camaro Z/28 (shown above) and the Cadillac CTS-V, for example - undergoes a rigorous and strenuous 24-hour test by engineers at the Milford Proving Grounds, as pointed out by Car and Driver.
We've posted on this topic in the past - on a video showing the Camaro ZL1 being brutalized, for instance - but this article gives a more in-depth look at what actually happens behind the scenes... including what that poor ZL1 went through. Though the test isn't for 24 hours straight, the cars are pushed as hard as possible by some of GM's best drivers with only the brakes and tires replaced frequently.
We don't want to ruin the fun for you, but it is an interesting article that tells just some of what GM does to develop its sports cars. Check out the full article over at Car and Driver for the rest of the story.

2021 Cadillac CT5-V makes a few changes for its second year

An order guide for the 2021 Cadillac CT5-V reveals a number of small changes to the sedan's formula going into its second year on the market. Starting with the superficial, the $1,225 Red Obsession Tintcoat exterior color and the $625 CT5-V-exclusive Royal Spice Metallic depart after this model year. They'll be replaced by Infrared Tintcoat and another color exclusive to this model called Rift Metallic. Since all but Summit White and Black Raven are cost-option Premium hues, the new colors should be expected to add to the price. Materially, the interior finish spiffs up with better-quality Modena leather stitched around the steering wheel rim, and Senza leather on the wheel center.    Next year, wireless Android Auto and Apple CarPlay will come standard, a promotion over the current wired systems. Getting around the infotainment screens will be easier thanks to a rotary dial that can slide laterally to choose menu items. The digital radio moves up to SiriusXM 360L, providing 4G streaming functionality. For the younger drivers in the family, the Teen Driver System will include Buckle to Drive. On the current CT5-V, the Navigation and Bose Premium Audio Package adds the Cadillac user experience with navigation, a 15-speaker Bose audio system, and an eight-inch configurable Driver Information Center display between the dash cluster gauges. For 2021, the eight-inch display is discontinued, so the package gains wireless phone charging. A new Technology Package replaces the current eight-inch DIC with a 12-inch configurable digital gauge cluster that sprouts a head-up display taken from the Driver Awareness Plus Package. The Technology Package will be included in the Platinum Package that right now costs $6,290, and that automatically adds the $4,190 Premium Package and $1,950 Driver Assist and Advanced Security Package. Based on current prices, the order guide indicates the Platinum Package will cost at least $12,430. Because of such bundling, the same package on the 2020 CT5-V 'roids up the MSRP by $13,730. Without ordering the Platinum Package, both the Navigation and Technology Packages will require the Premium Package.

Jeep Twitter account hacked, bad language, poor grammar and some hilarity ensue

Just a day after Burger King's Twitter account was compromised by "unauthorized users," Jeep's social media feed has been similarly hacked. Both instances of digital incursion share some similarities - the BK hackers changed the company's logo for McDonald's familiar golden arches, saying a sale had occurred, while the Jeep miscreants have replaced Jeep's branding with that of General Motors property Cadillac.
The resulting tweets from the damaged Jeep account have been a pretty brutal, to put it bluntly. Most of the content coming from the hacked account is unpublishable here, using language that is peppered with racial epithets, and poorly worded "shout outs."
In addition to the defamatory tweets themselves, the hackers have significantly altered the layout of the page. Jeep's header image now features a picture of the Cadillac ATS to go along with the Wreath and Crest, some language calling out that car as winning the 2013 North American Car of the Year award, and this gem: "The official Twitter handle for the Jeep(R) - Just Empty Every Pocket, Sold To Cadillac =[" Also, perhaps in an ode to yesterday's Burger King heist, the background image for the page now features a McDonald's-themed donk. The devil's in the details, we guess.