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LED headlight functionality we don't have, why?

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Old 03-12-2014, 01:50 PM   #1
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Default LED headlight functionality we don't have, why?

This is direct from audi.co.uk, why don't US cars have these features? can they be enabled?

LED headlights provide for optimised road illumination similar to the effect achieved by daylight.
LED technology provides lower energy consumption and enhanced contrast with a colour similar to daylight, for increased safety and good recognition by other road users. Includes all-weather light function to reduce the risk of the driver being dazzled when visibility is poor (in fog, rain or snow), turning light function which is activated when indicator is switched on (up to speeds of 45mph), and an additional motorway light which automatically increases headlight range at speeds above approximately 68mph. Also includes high-beam assist which automatically adjusts headlights from high-beam to dipped-beam when another vehicle is approaching or when other ambient lighting is detected (i.e. street lights) by a camera on the interior mirror
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Old 03-12-2014, 01:57 PM   #2
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The high beam assist is the only feature out of those that I think the US cars lack.
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Old 03-12-2014, 01:59 PM   #3
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http://www.businessweek.com/printer/articles/105964-audi-wants-to-change-a-45-year-old-u-dot-s-dot-headlight-rule

http://www.extremetech.com/extreme/1...-new-headlamps
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Old 03-12-2014, 02:04 PM   #4
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Quote:
Originally Posted by Hockenheim View Post

and an additional motorway light which automatically increases headlight range at speeds above approximately 68mph.
Click the image to open in full size.

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Old 03-12-2014, 02:13 PM   #5
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Wow they sound stupid. They would prefer a 45 year old system that requires people to turn on and off their brights. It is not like this is rocket science.

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But Joan Claybrook, a former NHTSA administrator, says the agency doesnít generally change a regulation unless manufacturers show a proven safety benefit backed up by studies. The lobbying push could be even tougher at a time of budget cuts due to the sequester, she says. ďA lighting system that dims, Iím not sure thatís going to be No. 1 on their list.Ē
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Old 03-12-2014, 02:36 PM   #6
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Joan Claybrook...!!!....she helped cause the 55 mph National speed limit back in the late '70s. She was the most anti car head of the NHTSA in history. Why does she still have a pulpit and she's ancient and probably senile......
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Old 03-12-2014, 06:28 PM   #7
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Quote:
Originally Posted by uberwgn View Post
Click the image to open in full size.
So uberwgn, is that the default setting or your modified or ???

How does one tell the highway light is activated? Is it obvious?
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Old 03-12-2014, 07:02 PM   #8
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Quote:
Originally Posted by uberwgn View Post
Click the image to open in full size.

Click the image to open in full size.
I seem to remember someone doing that Highway light mod and it didn't work in NAR cars. In any case, above 90 mph at night, it wouldn't be of much use if it did.
As for the other automatic lights as shown in the second diagram, that's definitely not available in North America. I believe that system is tied into the nav maps.
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Old 03-13-2014, 02:17 AM   #9
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so many features the US models don't get...including this one.
Why is Audi doing that to us?
I never knew Audi limits the features and options on NA cars so much till I started discovering them one by one.
No automatic headlight adjustment, no headlight washers, no speed limit indicator on dash/HUD, no active lane assist (on 2012 models), no automatic trunk open/closure, no this, no that.
I like the car itself (A6), but I'm pretty disappointed in the brand overall.
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Old 03-13-2014, 03:06 AM   #10
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Quote:
Originally Posted by Richard Solomon View Post
So uberwgn, is that the default setting or your modified or ???

How does one tell the highway light is activated? Is it obvious?
I checked the box so supposedly it's enabled on my car. I don't drive enough at night (on the highway) to say whether it's working or not. And my local highways are very well lit.

I believe Ross-Tech's interpretation that it doesn't active 'til 90mph is wrong. I think it phases in gradually beginning at 68mph and hits the maximum reach (distance) at 90mph.

I don't think our cars (USA) have that other functionality shown in that sketch. I have another diagram of the "highway headlights" feature but can't locate it at the moment. It doesn't depict those other functions.

People that drive on dark highways at night should try turning this on and see if they can note any difference. Perhaps VCDS has a measuring blocks screen where activation of this feature can be viewed (??).
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Old 03-13-2014, 03:34 AM   #11
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Here's one of the discussions: http://www.stemei.de/media/pages/cod...ht_667x500.jpg

Here's the graph:

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Old 03-13-2014, 03:37 AM   #12
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"Motorway mode takes advantage of the large amount of light and optimized pages and apron lighting xenon plus pig launcher. Using sensors, a vehicle electronic system continuously analyzes the speed of the vehicle. After a short time above 110 km/h (68 mph), the system is based on a car ride and automatically switches from low-beam mode in motorway light mode. A special position of the aperture in the xenon plus headlights additional light is now focused by an aluminum reflector and thrown far ahead of the vehicle but without dazzling other road users. The sight is more than doubled: from 70m to 150m in low-beam mode, motorway light mode. This increase in visibility means at a speed of 130 km / h has a gain of 2 seconds to respond to objects in front of the vehicle can. Motorway mode thereby increasing the driving safety significantly."
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Old 03-13-2014, 04:17 AM   #13
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I'm pretty sure all of the automatic headlight features being discussed in this thread require different hardware than found in NA models. Federal DOT regulations, costs for certification along with regional marketing decisions are likely the reasons they are not available here.
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Old 03-13-2014, 04:25 AM   #14
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Yeah, it's entirely possible our cars aren't fitted with the correct spec equipment to enable these features.
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Old 03-13-2014, 06:37 AM   #15
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70's:
US = incandescent. EU = incandescent halogen gas filled.
80's:
US = Dual halogen. EU = Sharp cut-off sealed beam halogen.
90's:
US = Sealed beam. EU = HID
00's:
US = HID. EU = LED
10's:
US = LED. EU = Smart Multi LED.

The US has too much bureaucracy to utilize the latest technology therefore it always lags behind the progressive thinking of the competition. Note:
The above rough outline of progression does not include the reduced wattage of US vehicles.
Infiniti was not allowed to use the multi LED system in the Q45 because the US law mandated that a headlamp must comprise of a single source of light but after numerous corporate meetings within the legal BS system, it was eventually changed.
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Old 03-13-2014, 07:13 AM   #16
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Re: US BS and Bureaucracy. Back in the early days all aircraft were required to have a "Red Beacon that Rotated at 60RPM". In the 1960s High Intensity Xenon Flashers were developed that were several times brighter and so much more visible at long distances, than the incandescent bulb/reflector combination currently approved and in use. These Xenon lights flashed at 60 times per minute, but since they did not rotate they were not authorized as replacements for several years.
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Old 03-13-2014, 07:45 AM   #17
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If anyone in the SAE or the NHTSA could drive then they would realize, as have the Europeans, that amber turn signals, Rear fog lights and the flashing brake lights are ALL safety issues but here in the US we won't get then for a few years.
I realize that VAG-COM can enable the flashing brakes under hard deceleration and that at least my A6 has rear fog lights but who is the idiot at Audi that removed the Amber turn signals and stuck on some red ones?
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Old 03-13-2014, 07:59 AM   #18
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Quote:
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If anyone in the SAE or the NHTSA could drive then they would realize, as have the Europeans, that amber turn signals, Rear fog lights and the flashing brake lights are ALL safety issues but here in the US we won't get then for a few years.
I realize that VAG-COM can enable the flashing brakes under hard deceleration and that at least my A6 has rear fog lights but who is the idiot at Audi that removed the Amber turn signals and stuck on some red ones?
I am originally from Europe and I totally agree on the turn signals, amber are significantly more indicative than the red which is easily confused with braking.
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Old 03-13-2014, 08:00 AM   #19
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Quote:
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but who is the idiot at Audi that removed the Amber turn signals and stuck on some red ones?

AoA Marketing Dept.
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Old 03-13-2014, 08:04 AM   #20
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Hmm, has anyone confirmed one way or the other, for US cars, if any of the coding affects the beam output and gives us some of the features that they gutted out for the NHTSA?

It's really a shame. The LED headlights look like really improved beam-pattern Xenon replacements, but the dynamic capability would be so nice.
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Old 03-13-2014, 08:04 AM
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