Author Topic: Are the Mk7.5 Headlights Different If you Spec Dynamic Light Assist ?  (Read 30871 times)

Offline I wanted a GTi

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I would get it checked out, it should block out a motorbike and mine did. Probably covered 30-40k miles at night and I never had to manually dip the lights.
5 door GTD in night blue collected 1/3/17

Offline Daz Auto

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I would get it checked out, it should block out a motorbike and mine did. Probably covered 30-40k miles at night and I never had to manually dip the lights.
... I wasn't sure about motorbikes. How does it cope with cars with 1 light?

Like I explained earlier, there are several situations when I manually operate the lights. I don't have to, I just prefer to, so there is less chance of my lights blinding other drivers.

10/8/2017 - GTI Performance, Red,5dr DS

Offline I wanted a GTi

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I would get it checked out, it should block out a motorbike and mine did. Probably covered 30-40k miles at night and I never had to manually dip the lights.
... I wasn't sure about motorbikes. How does it cope with cars with 1 light?

Like I explained earlier, there are several situations when I manually operate the lights. I don't have to, I just prefer to, so there is less chance of my lights blinding other drivers.

Same way it deals with motorbikes. Just because it's a motorbike it doesn't make the blanked out bit thinner, it is the same width as it is for a car.
5 door GTD in night blue collected 1/3/17

Offline Daz Auto

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Same way it deals with motorbikes. Just because it's a motorbike it doesn't make the blanked out bit thinner, it is the same width as it is for a car.

When the headlights come on, they have a start up routine. This clearly shows that the car can make the centre U shape shadow/blank/dip as wide or narrow as is needed. The routine starts with full beam then shows a narrow shadow in the middle which widens and narrows again.

When I follow other cars/lorries the left and right high beams certainly do appear quite close at all distances. So the system is definitely adjusting the width according to the lights the camera is detecting.

When the camera sees 1 light - perhaps the system will allow that it could be a motorbike/car/lorry with one light and widen the dipped area 1 lorry width either side of the light. As it will have no way of determining size/distance - maybe it just gives the maximum size centre blank/dip. Or maybe it just does a full dip. :undecided:

What I have noticed is that the car will often do a full dip. Then raise the left and/or right high beam when it has determined it is safe to do so.

Several of the local farmers have yard lights that are close to the road. I have learned that I need to manually activate full beam if I want to avoid the car dipping.

It is a great system, but it is not perfect.

« Last Edit: 09 October 2017, 13:12 by Daz Auto »

10/8/2017 - GTI Performance, Red,5dr DS

Offline Daz Auto

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Can anyone that has specced Lane Assist with Dynamic Light Assist on the Mk 7.5 confirm if there are any differences between their headlights and the standard Headlights with Dynamic Cornering Function?
Photos of both would be great.
I am a bit confused as to why, If the Headlights on both are Led they also have the headlight wash fitted too on all the cars I have seen which would suggest they are Xenon’s not Led ???
To fully answer the original questions -

Yes, the standard LED and Dynamic LED lights look the same.

LED and the previous Xenons are very bright lights. Because of this they are required to have an automatic levelling system, headlight washers + larger reservoir + washer fluid level indicator.

There are no Xenons in the new cars.

10/8/2017 - GTI Performance, Red,5dr DS

Offline Daz Auto

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At first glance Dynamic Light Assist does not appear to be in the Owner's Manual. It is not in the index. I found it under Main Beam Control p107.

System Limits

The system has to be manually switched off under the following conditions, as it is not switched off by the main beam assist in time or not at all:

- In poorly lit streets where there are highly reflective signs.
- There are other road users with insufficient lighting facilities, such as pedestrians, cyclists.
- In tight bends, brows of hills or depressions in the land or half-hidden oncoming traffic.
- With oncoming traffic on streets with central barrier where the driver can clearly see over the central barrier e.g. truck drivers.
- In fog, snow or heavy rain.
- In dusty or sandy areas. :huh:
- ... damaged...
- ... dirty...
- ... broken...

WARNING

- Do not let the extra convenience afforded by main beam control tempt you into taking any risks when driving - this can cause accidents.  The system is not a substitute for the full concentration of the driver.
- Always check the lights yourself and adjust them to the prevailing conditions for lights, vision and road traffic.
- The main beam control may not be able to recognise all driving situations correctly and may not work properly in certain situations.
- blah, blah... dirty, covered, damaged...


I guess I should have read this and not just used trial and error :embarrassed:
« Last Edit: 10 October 2017, 11:14 by Daz Auto »

10/8/2017 - GTI Performance, Red,5dr DS

Offline I wanted a GTi

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Can anyone that has specced Lane Assist with Dynamic Light Assist on the Mk 7.5 confirm if there are any differences between their headlights and the standard Headlights with Dynamic Cornering Function?
Photos of both would be great.
I am a bit confused as to why, If the Headlights on both are Led they also have the headlight wash fitted too on all the cars I have seen which would suggest they are Xenon’s not Led ???
To fully answer the original questions -

Yes, the standard LED and Dynamic LED lights look the same.

LED and the previous Xenons are very bright lights. Because of this they are required to have an automatic levelling system, headlight washers + larger reservoir + washer fluid level indicator.

There are no Xenons in the new cars.

LED lights don't require washers.
5 door GTD in night blue collected 1/3/17

Offline I wanted a GTi

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Same way it deals with motorbikes. Just because it's a motorbike it doesn't make the blanked out bit thinner, it is the same width as it is for a car.

When the headlights come on, they have a start up routine. This clearly shows that the car can make the centre U shape shadow/blank/dip as wide or narrow as is needed. The routine starts with full beam then shows a narrow shadow in the middle which widens and narrows again.

When I follow other cars/lorries the left and right high beams certainly do appear quite close at all distances. So the system is definitely adjusting the width according to the lights the camera is detecting.

When the camera sees 1 light - perhaps the system will allow that it could be a motorbike/car/lorry with one light and widen the dipped area 1 lorry width either side of the light. As it will have no way of determining size/distance - maybe it just gives the maximum size centre blank/dip. Or maybe it just does a full dip. :undecided:

What I have noticed is that the car will often do a full dip. Then raise the left and/or right high beam when it has determined it is safe to do so.

Several of the local farmers have yard lights that are close to the road. I have learned that I need to manually activate full beam if I want to avoid the car dipping.

It is a great system, but it is not perfect.

Driving behind a motorbike for about 7 miles or so and it stayed the same width the whole time.

The little dance that they do motors doing their thing, the only time it will narrow the blanked out bit is when the car in front is hundreds of yards away but when your meeting a car it will only narrow to a certain point which is the same for either a car or bike but if there is two cars in a row meeting you then it will widen it.
5 door GTD in night blue collected 1/3/17

Offline Daz Auto

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LED lights don't require washers.

https://www.carlightblog.com/2013/10/22/a-clean-beam-the-purpose-of-the-headlamp-washer-system/

"It is a widespread fallacy that headlamp washers are only compulsory for xenon lights. This is wrong on several counts. The latest generation of xenon, the 25-Watt version, doesn’t actually need one at all. Meanwhile, halogen and LED headlamps do need one if their light sources emit more than 2000 lumens. Indeed, this is required for ECE approval."

10/8/2017 - GTI Performance, Red,5dr DS

Offline Daz Auto

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Driving behind a motorbike for about 7 miles or so and it stayed the same width the whole time.

The little dance that they do motors doing their thing, the only time it will narrow the blanked out bit is when the car in front is hundreds of yards away but when your meeting a car it will only narrow to a certain point which is the same for either a car or bike but if there is two cars in a row meeting you then it will widen it.
I had a look at some videos on youtube. During the headlight start-up routine the new cars appear to blank off a wider area. I wonder have they changed it. Or maybe the routine doesn't show the full range on the original cars. :undecided:

10/8/2017 - GTI Performance, Red,5dr DS