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Carpool Deville aims to be the world's fastest hot tub

The world needs crazy inventors with wild dreams. While we might not long for the things that they create, their contraptions certainly make the day a little more enjoyable. Take the Carpool Deville as an example. Nobody (well, almost nobody) is asking for a hot tub fashioned from a 1969 Cadillac that is still drivable. But now that you know that such a beast exists, don't try to tell us you aren't at least intrigued.
The team behind the six-year-long project has a pretty ingenious setup worked out. The Caddy's original 472-cubic-inch (7.7-liter) V8 both provides propulsion and heats the water. The interior is entirely replaced with a watertight, fiberglass tub that includes working jets, and the controls are all done by hand.
As if just building a mobile hot tub isn't enough, the team behind the Carpool Deville plans to take it racing too. Specifically, they intend to go to the Bonneville Salt Flats later this year to make a top speed run while immersed in water at over 100 degrees. They even have a roll cage all set to install to meet the safety requirements there.

Cadillac plans new branding campaign to go with new products

Cadillac's new leader says the GM luxury brand now has "thousands of people" working on its behalf back at its soon-to-be new headquarters in the Detroit suburb of Warren, with a new branding campaign under development and plans to fix longstanding quality issues. Cadillac President Steve Carlisle granted an interview with the Detroit Free Press in which he said he'll unveil a new strategy to redefine the luxury brand, which he's calling a "master brand," in the first quarter of 2019. "Cadillac has its own values — boldness, optimism, innovation, sophistication — that will reflect in the master brand," Carlisle told the outlet. The challenge is "how to bring those to life." He added that Caddy won't be defining itself simply as a viable option to gold-standard Germany luxury cars. "We're targeting customers versus competitors. Cadillac has to have its own persona and not be defined by where other brands are and are not. It has to have its own definition and that's what we're reflecting in our master brand." Carlisle, who was promoted to lead Cadillac in April, put his first stamp on Cadillac last month when the brand announced it will move its headquarters back to Warren, Mich., across the street from GM's massive Tech Center, after more than three years in Manhattan's SoHo neighborhood. He said its Cadillac House showroom, a ground-floor space used to display models and stage events with partners, will remain open "for the time being" and that the brand will use what it learned well outside of its Detroit auto-industry bubble to move the brand forward. He'll have his work cut out for him. Cadillac plans to launch a new or redesigned vehicle every six months for the next three years, and Carlisle said he wants the brand to be GM's technology leader, the first to deploy self-driving and electric-vehicle technology of GM's stable of brands. Yet the brand just ranked second-from-last in Consumer Reports' new reliability survey for 2018. Jon Linkov, deputy auto editor for CR, said the brand suffered for widespread complaints about its Cadillac User Experience infotainment system, with owners reporting frequent crashes, frozen screens and problems with voice control. "Most of (the complaints) really ran through the CUE system being a major culprit for Cadillacs," Linkov said. Through September, Cadillac's year-to-date sales had dipped a half a percentage point from the first nine months of 2017 to 113,240 units.

GM shows off 'digital vehicle platform' enabling more in-car tech and OTA updates

It appears to have dropped the sobriquet "Global B," but General Motors' new electrical architecture has bowed in drawings and video. This is the "digital vehicle platform" GM president Mark Reuss spoke to Reuters about in 2015, saying it would move a great deal of a vehicle's computer work to the cloud and enable over-the-air updates. Reuss took the microphone for the debut, too, saying, "Our new digital vehicle platform and its eventual successors will underpin all our future innovations across a wide range of technological advancements, including EVs and expanded automated driving." The system will go into production later this year, appearing in dealerships first either on the 2020 Cadillac CT5 or the mid-engined 2020 Chevrolet Corvette. Yes, these are the same electronics cited for delaying the launch of the C8 Corvette over excessive draw, security and getting the more-than-100 computer modules to communicate seamlessly. When Car and Driver asked about that, GM replied with "No comment." Volkswagen's having the same issues with the Mk8 Golf right now, though, so GM isn't alone, and this will be the new normal among OEMs for a while. What's certifiable is that the new architecture is robust enough to handle 4.5 terabytes of data per hour, which is five times what GM's current wiring can handle. And thanks to Ethernet connections of 100 Mbps, 1 Gbs and 10 Gbs, communication within and without the vehicle happens much faster. The advances mean better screen resolutions, better battery management for hybrids and electric vehicles, the capability for over-the-air updates and "functionality upgrades throughout the lifespan of the vehicle." Cadillac's Super Cruise has already been lined up as a leading candidate for constant improvements in the driving assistance suite, a key part of GM's "vision for a world with zero crashes, zero emissions and zero congestion." And whenever GM decides to take the plunge, it will mean a 48-volt electrical system. More than 300 specialists worked on the digital platform, and security was a huge part of the task. We've already heard that GM consulted with Boeing and military contractors on how to prevent hacking. The carmaker has an internal Product Cybersecurity group that reached out to the research community, and created a "bug bounty" program to crowdsource uncovering any flaws.