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Why we can't have better headlights here in the U.S.

It wouldn't be a European auto show if we weren't teased with at least one mainstream vehicle we can't have here. At the Geneva Motor Show last week, the small but vocal contingent of shooting-brake buffs lamented that the Mazda6 wagon won't be coming to our shores, although they can take comfort in the fact that the vehicle won't get the torquey 250-horsepower 2.5-liter turbocharged gasoline engine we'll get here. Mercedes-Benz also announced a new headlight technology in Geneva that likely won't be available here anytime soon. It's just the latest in a long line of innovative and potentially lifesaving front-lighting solutions that the federal government doesn't allow in this country due to outdated standards — and a current lack of leadership at the U.S. Department of Transportation. Mercedes-Benz's new Digital Light system that debuted in Geneva uses a computer chip to activate more than a million micro-reflectors to better illuminate the road ahead. The Digital Light headlamps works with the vehicle's cameras, sensors and navigation mapping to adjust lighting for the given location and situation and to detect other road users. The Digital Light technology also serves as an extended head-up display of sorts by projecting symbols on the pavement ahead to alert drivers to, say, slippery conditions or pedestrians in the road. And it can even project lines on the road in a construction zone or through tight curves to show the driver the correct path. Digital Light will be available on Mercedes-Maybach vehicles later this year, although like any technology it's bound to trickle down to less expensive vehicles. That is, if we ever get it here in the U.S. Audi, a leader in automotive lighting, has repeatedly run into snags trying to bring state-of-the-art car headlights to the U.S. The German luxury automaker's recently introduced matrix laser headlight system, which performs many of the same trick as Mercedes-Benz's Digital Light, also isn't legal on U.S. roads. And five years after the introduction of its matrix-beam LED lighting, which illuminates more of the road without blinding oncoming motorists with brights by simultaneously operating high and low beams, Audi still can't bring that technology to the U.S. either.

Cadillac won't replace XTS after 2019

Cadillac wouldn't be Cadillac without a large sedan, but the definition of just which model fits that bill changed last week. Before the New York Auto Show, that role fell to the XTS. After the New York Auto Show, though, the focus shifted to the CT6. So what's to become of the XTS now that the CT6 has emerged? According to the latest intel, it'll live out the rest of its lifecycle until around 2019, but then drive off to its own funeral like so many limousines and hearses that were built off its platform. This was learned based on comments made by Cadillac chief Johan de Nysschen at the closed-door unveiling of the CT6 in Manhattan: "Ultimately, a car like XTS when it reaches the end of its lifecycle, will not be replaced." That'll be bad news for the livery business that – in the post-Town Car era – has come to rely on the XTS as the basis for its stretch jobs. "We will not have a car that will lend itself to these kind of modifications and we will probably withdraw from those markets," de Nysschen told GM Inside News. That's not all the new Cadillac boss had to say, though: he also indicated that the replacements for the ATS and CTS will be positioned differently from the current models: "As we move into the future refining our sedan portfolio, there will be no direct successor to the CTS. There will be no direct successor to the ATS. There is no point to renaming those cars because in the future those cars will disappear." Based on Johan's comments and those we've heard until now, we'd expect the replacement for the ATS to move down a size to take on the likes of the Audi A3 and Mercedes CLA, and the CTS' successor to move down half a size class as well to give the new CT6 a bit more breathing room, and possibly an even larger flagship sedan to be positioned above them all. Related Video:

Cadillac rushing update for laggy CUE infotainment system

BMW's innovative iDrive was introduced in 2001, and a dozen years later, automakers are still learning hard lessons about what consumers want in their infotainment systems. In response to owner feedback - and a few media drubbings - about the delayed and occasionally fickle responses of its CUE (short for Cadillac User Experience) system, Cadillac has told Wired that it's going to issue an update this year.
Coming for the XTS and ATS, the new software will mean quicker haptic feedback to driver inputs on the touchscreen and the buttons, and snappier responses on screen. Down the road, Cadillac's VP of marketing says that a different mix of screen controls and hard buttons is "something you'll be seeing in the future" - the system is presently a mix of touchscreen-based controls and capacitive-touch switchgear - there are no knobs or physical pushbuttons to speak of, and the omission of both has proven to be a divisive issue among consumers and industry pundits.
Cadillac hasn't provided a date for when the CUE update will be issued, but it has indicated that the service will be performed by dealers, not sent wirelessly.