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Enabling unrestricted "Lane assist"

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Old 03-03-2014, 10:20 AM   #1
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Default Enabling unrestricted "Lane assist"

Does any one know whether it's possible to make Lane Assist function persistent via a VAG com mod? If so, how exactly?

Let me explain in detail.

I had an Acura TSX earlier and even though it looked somewhat like drunk driving, the car meneuvered between the lines for an unlimited amount of time. Manual steering was completely unnecessary. This worked fairly well on roads with good markings.
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Old 03-03-2014, 11:02 AM   #2
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Does any one know whether it's possible to make Lane Assist function persistent via a VAG com mod? If so, how exactly?.
There was one member who was attempting to add the feature by buying and installing the required hardware but according to his last posts several weeks ago, he has not been able to get the coding to successfully work.
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Old 03-03-2014, 11:13 AM   #3
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There was one member who was attempting to add the feature by buying and installing the required hardware but according to his last posts several weeks ago, he has not been able to get the coding to successfully work.
Do you happen do remember where that post is? I'm curious about which hardware is necessary? If it is the whole Lane assist HW then that is already present in my car. I only need to adjust its
"sensitivity"..

@in2dwww
Slightly touching the steering wheel is exactly what I would like to avoid
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Old 03-03-2014, 01:33 PM   #4
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Originally Posted by Tsport18 View Post
Do you happen do remember where that post is? I'm curious about which hardware is necessary? If it is the whole Lane assist HW then that is already present in my car. I only need to adjust it
An Audiworld global search using "lane assist" reveals this:

http://forums.audiworld.com/showthre...2826064&page=2
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Old 03-03-2014, 01:43 PM   #5
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Give me a break. If you can't be bothered to steer the car then you shouldn't be driving. Take a taxi or the bus.
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Old 03-03-2014, 02:03 PM   #6
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Give me a break. If you can't be bothered to steer the car then you shouldn't be driving. Take a taxi or the bus.
Unfortunately I have to agree. The point is that the car wants to know you are there and paying attention. Otherwise you may not be able to react quick enough to avoid an accident if necessary.
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Old 03-03-2014, 02:51 PM   #7
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Unfortunately I have to agree. The point is that the car wants to know you are there and paying attention. Otherwise you may not be able to react quick enough to avoid an accident if necessary.
I never said that I want to permanently drive that way. In my opinion that is simply an impressive function that other car manufacturers obviously achieve and allow.

And don't tell me you never were in a situation where you needed to use both hands for more than 2 seconds while driving..
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Old 03-03-2014, 03:38 PM   #8
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And don't tell me you never were in a situation where you needed to use both hands for more than 2 seconds while driving..
NEVER. If something is going to take both hands and require your attention then pull off the road. Not paying attention to the road and your driving is pure stupidity.

Why does it not surprise me that you came from a glorified Honda?
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Old 03-03-2014, 06:42 PM   #9
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Just a reminder to please avoid the negative personal posts. Everyone is entitled to express their point of view but there's no need to to make it with derisive comments. Especially for someone visiting the forums for the first time looking for advice. Reasonable opinion without scorn is far more helpful and effective.
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Old 03-03-2014, 08:15 PM   #10
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For the record I never take both my hands off the wheel. I'm not sure of a time when I have ever wanted to take both hands off the wheel. But I am trained to keep both hands on the wheel as much as possible.

I would also like to add that I test the lane assist shortly after getting my S6 and it is anything but ideal. Testing it on interstates it definitely failed going through certain turns even in dynamic mode. The higher the speed the harder it is to keep it in the lane through turns. The technology just isn't there to fully rely on it.
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Old 03-03-2014, 10:27 PM   #11
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For the record I never take both my hands off the wheel. I'm not sure of a time when I have ever wanted to take both hands off the wheel. But I am trained to keep both hands on the wheel as much as possible.

I would also like to add that I test the lane assist shortly after getting my S6 and it is anything but ideal. Testing it on interstates it definitely failed going through certain turns even in dynamic mode. The higher the speed the harder it is to keep it in the lane through turns. The technology just isn't there to fully rely on it.
I totally agree that driving without holding the wheel is risky and something I never do. The function isn't activating most of the time anyway because of poor or missing markings.

It's typical that some assume the worst. My point was simply to find out if this is moddable or not.

As a side note.. In my opinion having for instance VIM isn't exactly adding to safety but people praise that mod. Or not to mention lowering the car beyond reason. But that's peoples choise regardless.

Last edited by Tsport18; 03-03-2014 at 11:07 PM.
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Old 03-04-2014, 05:42 AM   #12
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I totally agree that driving without holding the wheel is risky and something I never do. The function isn't activating most of the time anyway because of poor or missing markings.

It's typical that some assume the worst. My point was simply to find out if this is moddable or not.

As a side note.. In my opinion having for instance VIM isn't exactly adding to safety but people praise that mod. Or not to mention lowering the car beyond reason. But that's peoples choise regardless.
Obviously that is a problem as well. I'm surprised that even in my area which has newly paved streets with good markings it still doing fully pick up the lanes or only picks up half the lane. However, when I was talking about testing the lane assist it was with full markings. It isn't programmed to react quick enough to a turn if you are going a certain speed. Basically it just isn't designed to drive the car yet.
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Old 03-04-2014, 06:52 AM   #13
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While I'm not a fan of too many intrusive systems that take over the driver's control (brake guard might be an acceptable exception), my understanding of the purpose of lane assist is to act as a reminder/aid if a driver looses lane integrity focus and not a "drive by wire" replacement. Its intent is similar to the side assist - it isn't a substitute for driver awareness but a tool to help enhance it.
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Old 03-04-2014, 07:40 AM   #14
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Quote:
Originally Posted by Tsport18 View Post
And don't tell me you never were in a situation where you needed to use both hands for more than 2 seconds while driving..
Quote:
Originally Posted by Tsport18 View Post
I totally agree that driving without holding the wheel is risky and something I never do.
Well, which is it?
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Old 03-04-2014, 07:48 AM   #15
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Originally Posted by snagitseven View Post
While I'm not a fan of too many intrusive systems that take over the driver's control (brake guard might be an acceptable exception), my understanding of the purpose of lane assist is to act as a reminder/aid if a driver looses lane integrity focus and not a "drive by wire" replacement. Its intent is similar to the side assist - it isn't a substitute for driver awareness but a tool to help enhance it.
Yes, that's exactly the point. Lane assist is designed as a courtesy aid to the driver by giving suggestive nudges to keep the car centered, and suggestive yanks of the steering wheel when you've really drifted far off course.

It is NOT, in the Audi implementation, designed to be a self steering system, so I'd highly recommend the OP to reconsider. Its ability to track a lane is not extremely robust, and sometimes it simply picks the wrong lines on the road to consider lane boundaries. I've had on two occasions where lane assist suddenly jerked the wheel because it decided that pavement grooves were the lane, instead of faded out lane markers. Now, since I had at least one hand on the wheel, I easily overpowered it just by gripping the wheel a bit harder, but that got my attention back onto the road.


And that's just it. It's designed for if you "zoned out" for a second and the car thinks it sees you drifting out of your lane. It's not designed, and frankly is dangerous, to try to use as an air hockey self steering system bouncing you between lane boundaries like a drunk driver. The force of the corrective action is often:
- flat out wrong and will steer you into a car next to you
- Too strong
- Too weak

And it's meant only to hint to the driver to consider applying a steering correction in that direction.
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Old 03-04-2014, 11:54 AM   #16
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And don't tell me you never were in a situation where you needed to use both hands for more than 2 seconds while driving..
Use your knee
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Old 03-04-2014, 02:56 PM   #17
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Well, which is it?
I can see that some of my statements may have sounded contradicting.

The thing is that I once was in a situation where my daughters hair got stuck to the chair while I was on a highway. I could not just pull over right there and then. She sat in the back screaming for help. After some fumbling I helped her but that was stressfull and scarry. In that particular situation I wish the car could steer for a few seconds on its own. The lane markings were practically new.

That being said. This doesn't happen every day and YES the system is not good enough in many cases. So I do not rely on it on a daily basis or expect magic from it.

I am however into modding with VAG and am curious about tweaking possibilities. This was an idea, nothing more.

Anyway. It's obviously not doable so let's move on
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Old 03-04-2014, 05:35 PM   #18
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Wow. Your daughter in the back seat being in distress was bad enough. Turning around at highway speed to disentangle her while the car was moving is just unfathomable. Were you on a long bridge or in a tunnel that you couldn't find a spot to pull over?
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Last edited by snagitseven; 03-04-2014 at 05:37 PM.
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Old 03-05-2014, 01:27 AM   #19
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It's a few years back so I don't remember all details. But there was heavy traffic, cars on both sides and I may have been approaching a tunnel. I just had a few seconds to think / react. I believe any one with a little kid will recognize the situation.

My friend experienced a chocking son while driving. He could eventually pull over and I don't think acting while driving would help anyway but these are the unforeseen situations I was referring to.

Getting back on topic, If I was to design a safe "lane assist" function, I would probably combine it with tracking of other references on road. The way is now is more of a gimmick IMHO.
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Old 03-05-2014, 06:47 AM   #20
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While I'm not a fan of too many intrusive systems that take over the driver's control (brake guard might be an acceptable exception), my understanding of the purpose of lane assist is to act as a reminder/aid if a driver looses lane integrity focus and not a "drive by wire" replacement. Its intent is similar to the side assist - it isn't a substitute for driver awareness but a tool to help enhance it.
Good point--it's a tool to help the driver stay in lane, not a substitute for driver-steering. I just recently drove for over 1,500 miles on I-40 heading to Memphis, about 10hours/day for a couple of days. It's difficult to maintain attention for hours on end to stay in lane and once in a while I would drift near the line, and a little nudge by the lane assist helped keep me in my lane. Nice Feature for sure. BTW, Adaptive Cruise control also was a fantastic aid, as are the little lights on my side-view mirrors that warn me if someone is in my blind spot. These aids help me stay safe and help me be more attentive.
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Old 03-05-2014, 06:47 AM
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