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Interesting Video On TJA/ACC/Lane Assist

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  • Interesting Video On TJA/ACC/Lane Assist

    I watched this video YouTube and something struck me as odd, only once in the 3.5 minute video (at the 2:13) mark does the lane assist warning come up on the dash. He has either changed the time out period, is applying steering out of sight of the camera or VW have altered the time out.

  • #2
    Originally posted by Ozsko View Post
    I watched this video YouTube and something struck me as odd, only once in the 3.5 minute video (at the 2:13) mark does the lane assist warning come up on the dash. He has either changed the time out period, is applying steering out of sight of the camera or VW have altered the time out.
    Check that one:

    Drivers Reaction Adjustment (Car must be fitted with Camera)
    Adjusts the sensitivity in which the car will alert the driver due to lack of steering input.

    Select Control unit A5 (camera)
    Security access
    Enter unlock code 20103
    Adaptation
    Select channel deactivation threshold driver activity
    Value adjust accordingly Default: medium options: early, middle, late



    Volkswagen MK2 Tiguan OBDeleven / VCDS Tweaks List – AutoInstruct

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    • #3
      Yes, I asked that question a short while ago, does it change the time interval or the sensitivity to the steering input that the steering sensor needs. If it is the time interval what changes result in what and has anyone here done it? No one seemed to be sure, one reply said the same as you but did not answer the question when I asked.

      Have you done it to confirm what happens as sensitivity seems the wrong metric when referring to time interval

      Mk2 Tiguan VCDS Tweaks

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      • #4
        Originally posted by Ozsko View Post
        Yes, I asked that question a short while ago, does it change the time interval or the sensitivity to the steering input that the steering sensor needs. If it is the time interval what changes result in what and has anyone here done it? No one seemed to be sure, one reply said the same as you but did not answer the question when I asked.

        Have you done it to confirm what happens as sensitivity seems the wrong metric when referring to time interval

        Mk2 Tiguan VCDS Tweaks
        I'm gonna change that and hit the road in the next couple of hours. Will let you know later today.

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        • #5
          Originally posted by Ozsko View Post
          Yes, I asked that question a short while ago, does it change the time interval or the sensitivity to the steering input that the steering sensor needs. If it is the time interval what changes result in what and has anyone here done it? No one seemed to be sure, one reply said the same as you but did not answer the question when I asked.

          Have you done it to confirm what happens as sensitivity seems the wrong metric when referring to time interval

          Mk2 Tiguan VCDS Tweaks
          I checked and I couldn't find this adaptation channel in A5 module

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          • #6
            Originally posted by Ozsko View Post
            I watched this video YouTube and something struck me as odd, only once in the 3.5 minute video (at the 2:13) mark does the lane assist warning come up on the dash. He has either changed the time out period, is applying steering out of sight of the camera or VW have altered the time out.
            If you drive on a highway straight like that video you wont have the warning.

            The warning comes up as the steering assist sensing your hand are not on the wheel ie no weight on the wheel.

            As soon as the wheel turned the warning came up in the video.

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            • #7
              You do get the warning on straight sections.
              Indium Grey Golf 7.5 Alltrack 135tdi Premium - all options

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              • #8
                Originally posted by zzc2010 View Post
                If you drive on a highway straight like that video you wont have the warning.

                The warning comes up as the steering assist sensing your hand are not on the wheel ie no weight on the wheel.

                As soon as the wheel turned the warning came up in the video.
                If the steering senses no input from the driver it comes on at 13 seconds whether the road is straight, secondary or a multi lane freeway. I have used it extensively over the last 12 months as I live outside the metro area and it gets used every time I go anywhere in the car.

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                • #9
                  Originally posted by Ozsko View Post
                  If the steering senses no input from the driver it comes on at 13 seconds whether the road is straight, secondary or a multi lane freeway. I have used it extensively over the last 12 months as I live outside the metro area and it gets used every time I go anywhere in the car.
                  Confirmed. Does not matter where the wheels are pointing, or whether the road is straight or winding. It's based on lack of adjustment or resistance from the driver to the steering wheel, that the warning comes up.

                  Still leaves the question as to what the OBD2 coding adjustment actually does?
                  MY18 GOLF 110TSI I HIGHLINE I Indium I Panoramic Sunroof I DAP I IP
                  MY18 TIGUAN 162TSI I R-LINE I Ruby I DAP I IP

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                  • #10
                    It doesn't need much to avoid the warning signal.. drove from the gold coast to Brisbane just using my thumb.. would be nice to not have to "check in" every 13 seconds

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                    • #11
                      Originally posted by Grugly View Post
                      It doesn't need much to avoid the warning signal.. drove from the gold coast to Brisbane just using my thumb.. would be nice to not have to "check in" every 13 seconds
                      I cant remember exactly now but you should have another 15 or 25 seconds before the 2nd warning. I always use up both warnings before nudging the wheel.

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                      • #12
                        I have developed a method of resting my arm on the arm rest and my hand on the wheel at the bottom using enough weight that the steering wheel senses resistance and it works for most of the time.

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                        • #13
                          My experience is it wanders too much in the lane for my liking. You’re all crazy if you think you can deliberately take your hands off the wheel and eyes off the road for longer than a split second lapse of concentration or distraction.
                          It’s a safety and driver fatigue aid, not autopilot.
                          Tiguan Highline 162TSI | Indium Grey | DAP | MY18

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                          • #14
                            Originally posted by spacemannz View Post
                            My experience is it wanders too much in the lane for my liking. You’re all crazy if you think you can deliberately take your hands off the wheel and eyes off the road for longer than a split second lapse of concentration or distraction.
                            It’s a safety and driver fatigue aid, not autopilot.
                            Are you talking of the same thing? There are two levels of control, lane assist and active lane guidance. The latter on mine holds the car in the lane with little noticeable deviation and if you read my post I always have a hand on the wheel. If the menu for driver assist settings does not have Active Lane Guidance I can understand what you say and I agree but using ALG the car steers itself.

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                            • #15
                              Originally posted by Ozsko View Post
                              using ALG the car steers itself.
                              to a point ... and not for very long. i.e. some corners are too tight for it and it just cuts out or won't guide at all. Plus it requires input after a short period of time. It's a great innovation and works as well as the best in the industry, but it's just an aide as you say and shouldn't be relied up.

                              Although we will see autonomous vehicles in the mainstream on our roads by the end of 2030. It has to start somewhere.

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