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Super Cruise’s failsafes

Even though Super Cruise is not a fully autonomous system, it incorporates redundancies like those used in aircraft to ensure failsafe operation. Before taking off on a 700-mile, 11-hour test drive of the system — and putting my life in its hands without my hands on the wheel — I sat down with Daryl Wilson, lead development engineer for Super Cruise, to get a deep dive into the system and its critical safety backups. Autoblog: First, what makes Super Cruise different from similar systems? Wilson: The key differentiator for Super Cruise is hand-free driving. It's an industry first in that respect. Our competitors require the driver at minimum to place their hands on the wheel with some frequency to ensure that the car knows that the driver is there. We don't. Two key technologies allow us to do this. One is our Driver Attention System, which is our methodology for making sure the driver is engaged with the vehicle and engaged with the road. This is a driver assist system, not a fully autonomous system. So it requires driver engagement. We use an infrared camera that constantly monitors the driver's face to determine the direction they're looking. We're looking for the driver to be what we call on-road — not on the center stack, not to left or right or down. That's all done by the tracking of the face. We also track that the eyes are open. It's infrared because at night you need to illuminate the face and you can't be shining a light into the driver's face. Then we have our lidar mapping that provides a foundation for control and redundancy to ensure safe performance. Autoblog: How does the mapping act as a redundant feature? Wilson: This system is only for use on divided, controlled access highways. What I mean by a divided highway is something more than a painted line between you and oncoming traffic. Whether that's a grassy area in between the lanes or a concrete barrier, anything that separates you from oncoming traffic. That's the divided highway part. The controlled access part is entrance ramps and exit ramps. Not with roads that cross at grade, with traffic crossing at the same level. To do that we geofenced these roads to ensure that operation is only allowed in these conditions. We don't just recommend you use it there; we ensure that you only use it there.

Cadillac Lyriq teased ahead of debut next week

The Cadillac Lyriq is just around the corner, set to be fully revealed on August 6. Cadillac just released a few teaser photos and videos as preparation for the big debut a week from today. It’s our best look at the production version of the car yet. Of course, you may remember photos of the EV concept released over a year ago, but the production crossover is shaping up to be a little different. This carÂ’s most intriguing element so far is the charge outlet panel integrated into the front fender. The large piece appears to lift up and slide out of the way when itÂ’s time to plug in. This reveals a decorative LED light strip that outlines the outlet, ultimately leading into the Cadillac logo above. Below the panel is a small, silver GM badge that if our guess is correct, says “Ultium” for the Ultium battery technology going into the Lyriq.  The wheels feature a unique silver and black two-tone design. Those black inserts are ridged, and the wheel is likely designed for better aero performance and increased range. ItÂ’s tough to say much about the design itself, but the silhouette is giving us crossover coupe vibes with its heavily raked rear window and sloping roofline. It appears to have a couple spoilers, one on the roof and then another as a ducktail below the rear window. CadillacÂ’s video teasers provide for the briefest of front end glimpses. Still, we can see the fancy lighting signature that Cadillac has created. ThereÂ’s both a light-up Cadillac badge and small LED lighting strips integrated throughout the grille. ItÂ’s concept car-like in appearance, so we do wonder whether this will find its way into a production Lyriq. The vertical DRL weÂ’re used to seeing on other Cadillacs has also made an appearance on the outer edges of the front bumper. ItÂ’s been previously stated that the Lyriq would enter production in 2022, so even when GM does reveal the electric Cadillac next week, itÂ’ll be a long while till we see the vehicle on the road. Related Video:

Cadillac CT6 uses aluminum to save 200 pounds

In Cadillac's recently launched ad campaign, the luxury brand's tagline is "Dare Greatly," and the two words suggest a brand willing to take big swings, even if they don't always connect. From what the company is promising, the forthcoming CT6 seems like an embodiment of that new motto. With an eventual range of turbocharged engines, reportedly including a turbo V8, a possible plug-in hybrid and streaming rearview mirror, the sedan is certainly pitched as tech showcase. Of course, extensive use of aluminum is practically mandatory to play in the luxury field these days, and Caddy is proving its latest creation can do that too. Despite the weighty appearance of the sedan's squared-off exterior, 64 percent of the CT6 is aluminum, including the entire exterior. Caddy claims that using so much of the lightweight metal sheds 198 pounds off the scales compared to using conventional steel. There still is some steel in the CT6; although it's predominately the high-strength variety. The engineers use the heavier metal for portions around the cabin and B-pillar for added safety. Cadillac also claims using steel "close-out panels" on lower portions of the sedan make the cabin quieter without needing as much sound deadening. The buildup to the CT6's public unveiling has been a long time coming after Cadillac pinned the flagship (for now) sedan's debut at the New York Auto Show nearly a year ago. When the sheet finally comes off on March 31, we get the first good idea about just how great Caddy's latest act of daring really is. Cadillac CT6 Elevates the Science of Mass Efficiency 2015-03-13 Technology DETROIT – Cadillac will use an advanced mixed-material approach for the lightweight body structure of the upcoming CT6 range-topping sedan. The structure is aluminum intensive, but the new Cadillac also includes 13 different materials customized for each area of the car to simultaneously advance driving dynamics, fuel economy and cabin quietness. The CT6 will debut March 31 at the New York International Auto Show and go into production late this year at General Motors' Detroit-Hamtramck assembly plant. "This is the rocket science of automobile construction and manufacturing today," said Cadillac President Johan de Nysschen.