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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.

Buick officially launches the redesigned 2021 Envision

The 2021 Buick Envision is officially official. Yes, that Envision — the one we showed you back in May 2020 — is now for sale, and we now have all of the finer details about the redesigned crossover, which is lower, wider and more technologically robust than its predecessor.  One could argue that we already knew the most important thing about Buick's updated CUV: It looks good. The same couldn't necessarily be said of its previous incarnation, which, like several of GM's outgoing small crossovers, could be charitably described as inoffensive, but often merely looked frumpy and incoherent.  2021 Buick Envision Avenir View 25 Photos Rather than the flow-for-flow's-sake design of the outgoing model, the 2021 boasts a more chiseled, angular look, especially in Avenir guise. It also boasts a redesigned cabin and a new suite of standard tech features, including standard forward collision warning, front pedestrian braking and rear park assist. Optional goodies include a HUD, wireless Android Auto and Apple CarPlay, and a hands-free power liftgate. Avenir models bake in several of the standard Envision's optional upgrades, including heated and ventilated front seats, a massaging driver's seat and heated outboard rear seats. It also offers an optional adaptive suspension.  “The all-new 2021 Envision is a tremendous opportunity for the brand,” said Duncan Aldred, global vice president for Buick and GMC. “With strong, differentiated designs, and a combination of advanced technologies and premium appointments, it will stand apart in one of the industryÂ’s most competitive segments.” Buick has also nailed down the specs on the Envision's updated powertrain. The 2.0-liter turbo engine will make 228 horsepower and 258 pound-feet of torque. Front-wheel drive is standard, with GM's twin-clutch all-wheel-drive system available as an upgrade. Both models get a nine-speed automatic gearbox.  As confirmed previously with the release of Buick's 2021 order guide, the Envision starts at $32,995 (including destination) and is available at dealers now. We expect to get our hands on one for a more thorough evaluation some time in the coming months. Stay tuned. 

General Motors Recall List

It seems General Motors can't go more than a few weeks without issuing a major recall. Since the initial ignition lock recall on February 10, over 25 million vehicles have been recalled for defects. It seems General Motors can't go more than a few weeks without issuing a major recall. Since the initial ignition lock recall on February 10, over 25 million vehicles have been recalled for defects. We used the National Highway Traffic Safety Administration recall list to compile a snapshot of all the GM vehicles recalled in the last two months. NHTSA also provides a search engine that allows owners to search for recalls on their vehicle. An automotive company must do everything in their power to notify its customers when a recall is issued on a vehicle. If you own any of the following vehicles and you have questions regarding your car, you can contact Chevrolet at 1-866-694-6546, GMC at 1-866-996-9463, Buick at 1-800-521-7300 and Cadillac at 1-866-982-2339. Or check out General Motor's recall site. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to www.safercar.gov. Here's a brief summery of the other vehicles currently under recall: July 26 – 414,333 cars affected NHTSA Campaign Number: 14V447000 Models under recall: Certain model year 2011-2012 Buick LaCrosse, Regal and Chevrolet Camaro, as well as certain 2010-2012 Cadillac SRX, Chevrolet Equinox and GMC Terrain vehicles, equipped with power height adjustable driver and passenger seats. Problem: In the affected vehicles, the bolt that secures the driver's and passenger's power front seat height adjuster may fall out causing the seat to drop suddenly to the lowest vertical position. Consequence: If the driver's seat unexpectedly drops, the distraction and altered seat position may affect the drivers' control of the vehicle, increasing the risk of a crash. Solution: Dealers will replace the height adjuster shoulder bolts, free of charge. July 14 – 16,939 cars affected NHTSA Campaign Number: 14V341000 Models under recall: Certain model year 2011 Cadillac CTS vehicles manufactured October 18, 2010, to June 2, 2011. Problem: In the affected vehicles, vibrations from the drive shaft may cause the vehicle's roll over sensor to command the roof rail air bags to deploy. Consequence: If the roof rail air bags deploy unexpectedly, there is an increased risk of crash and injury to the occupants.