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Cadillac tops Tesla in Consumer Reports semi-automated driving test

General Motors' Cadillac outscored Tesla in a new ranking of partially automated driving systems tested by Consumer Reports and released on Thursday. The highly influential nonprofit organization, which tests and rates a variety of consumer products from appliances to vehicles, said it compared Cadillac's Super Cruise and Tesla's Autopilot with similar systems from Nissan and Volvo. Nissan's ProPilot Assist was ranked third and Volvo's Pilot Assist fourth. Consumer Reports said it has been testing partially automated driving systems for several years but elected to conduct a formal study intended for publication, because "we are at a tipping point where they are now going mainstream," according to Jake Fisher, director of auto testing. The organization said its tests, conducted on a private track and on public roads in Connecticut, were designed to measure the systems' ability to automatically control steering and speed in certain situations, while helping drivers pay attention and regain manual control of the vehicle when required. CR noted that any of these systems can increase driving risk if used in inappropriate situations, or if drivers become inattentive or over-reliant on them. While they can help relieve driver stress and fatigue, Consumer Reports said, the partially automated systems are "not intended to be self-driving features." The systems typically use cameras, radar and other sensors, as well as mapping data, to monitor location and traffic conditions and help keep a vehicle centered in the lane at a safe distance behind other cars. Each system has limitations. Cadillac's Super Cruise, for instance, only functions on divided highways that have been mapped by GM. In contrast, Tesla's Autopilot can be used even on small, curvy roads with poor lane markings, but "operates erratically in those situations," Consumer Reports said.The organization tested Super Cruise on the Cadillac CT6; Autopilot on the Tesla Model 3, Model X and Model S; ProPilot Assist on the Nissan Leaf and Infiniti QX50; and Pilot Assist on the Volvo XC40 and XC60. Consumer Reports said Cadillac's Super Cruise did "the best job of balancing high-tech capabilities with ensuring the car is operated safely and the driver is paying attention." Tesla's Autopilot was cited for its capability and ease of use, while Nissan's ProPilot Assist did a better job than Autopilot or Volvo's Pilot Assist in keeping drivers engaged.

Renault wants to merge with Nissan, then go after Fiat Chrysler

The late Sergio Marchionne used to say consolidation would be the only way to compete against the biggest global carmakers. The company looks certain to fulfill that goal, but perhaps not in the way he intended. The Financial Times reports that Renault wants to begin merger talks with Nissan in the next 12 months. Assuming a merger gets completed, the plan is for the combined company to then pursue another merger, with Fiat Chrysler a prime target. Renault, Nissan, and Mitsubishi have been busy since cutting ties with ex-alliance boss Carlos Ghosn. They formed a new alliance board with Renault chairman Jean-Dominique Senard at the helm, Renault has shrunk the size of its board while Nissan added more outside directors, and the two agreed to a new governance structure to ease operational decision making. All three automakers have walked away from Ghosn-era goals to sell 14 million cars and find 10 billion euros in savings by 2022. New strategic plans for all three car companies are in the works. With stability in sight, it's said Senard wants to succeed where Ghosn failed — a full-fledged merger between Renault and Nissan with talks to begin "as soon as possible." Ghosn's pursuit of a merger last year in attempt to make the 20-year-old alliance "irreversible" is part of what led to his downfall, with Nissan executives including CEO Hiroto Saikawa against the push. The new effort is presented as larger scale being the only way for the alliance to take on companies like Volkswagen and Toyota. But the Nissan-Renault-Mitsubishi trio sold 10.76 million cars around the world last year, second to Volkswagen with 10.83 million sales, ahead of Toyota with 10.39 million. If Nissan hadn't suffered a 2.8 percent dip in sales, the alliance would have taken the top spot. If a little scale is good that means more is better, right? Pulling Fiat Chrysler into the alliance would add around 5 million annual sales, and would be another move in Ghosn's footsteps. The former honcho is said to have "held talks with FCA" about some kind of union within the past three years. The French government, which has a 15 percent stake in Renault and double voting rights, shut down the initiative. It's not clear if FCA will be an independent company by the time a potential Nissan-Renault merger closed, though.

Automakers' sound systems: Crank it, don't yank it

Years ago, one of the first things most music lovers did after buying a new vehicle was drive to an aftermarket stereo shop to get the crappy stock components swapped for better gear. And you'd typically get not only better sound but also more bang (and boom) for your buck. But in the past decade or so, the overall quality of OEM audio has dramatically increased, while car electronics became more complex, removing the incentive for most new vehicle owners — and all but the most hardcore DIYer — to start from scratch. In 2010, I did a comparison of the average costs for OEM electronics vs. similar offerings from the aftermarket, and back then automakers' stock premium systems were by far the best bargain — and are probably an even better value now. The premium 14-speaker, 1,200-watt JBL system in the all-new 2019 Toyota Avalon is a prime example of this trend. It's standard on the top two Limited and Touring trims and is available as a $680 audio upgrade on the XLE and XSE. I doubt you can even buy 14 speakers and 1,200 watts of amplification from the aftermarket for 700 bucks, much less have it all installed. And because the system is bundled with Toyota's Entune infotainment system, Apple CarPlay and a surround-view camera, removing the head unit means you would likely lose these features. Another advantage of OEMs and their audio partners is they can design the car around the audio system. In the past, automakers would typically place speakers where convenient for packaging, not for optimal sound reproduction, and audio engineers were forced to compromise. But as with the Avalon's premium JBL audio system, this is starting to change. At a recent behind-the-scenes peek for media into the process of developing the system, Toyota and Harman engineers delved into the minutia of sealing the inner panel of the front doors to create an enclosure for 6x8-inch woofers, making space in the pillars for JBL horn tweeters and extensively measuring the acoustic properties of the interior to tune the sound to the space. I'm met some creative and skilled car stereo installers, but none with a degree in psychoacoustics. The system is also the first to feature Quantum Logic Surround that creates a multi-channel listening experience from two-channel sources. And it includes Harman's Clari-Fi processing that "rebuilds key details lost" in compressed audio formats used by streaming music services and MP3s.