GolfGTIforum.co.uk
Model specific boards => Golf mk7 => Topic started by: sadsac on 05 October 2017, 11:44
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As per the subject really, I find the adaptive cruise control ACC brakes far later and harder than i usually would and always makes me nervous (I use it a lot - M25!), this is irrespective of the distance-from-car-in-front setting... or maybe i just drive like a ninny?! This is in a 2016 GTD in the UK...
Anyone else or just me?? I assume there's nothing I can do to change this via my OBDeleven?!
EDIT - Have googled and searched and this doesnt seem to have come up before
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Sometimes I find it the same, but I bottle out and take over braking
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Have you got acc set to sport by any chance?
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Worth checking driving profile, in eco it lifts off / brakes earlier.
Worth noting though that the sensor range is fairly limited with the flat sensor - which is also the reason for it being limited to 100mph. If you come up to the end of a slow moving queue on motorway doing 70 it does brake very late (usually pause it and roll along and re-activate when I am closer).
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It was designed by an ex BMW now Audi engineer :whistle:
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Sometimes I find it the same, but I bottle out and take over braking
Makes me feel better - not just me then! I often end up doing exactly this
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Have you got acc set to sport by any chance?
No, but thanks for the suggestion. I usually use Drive. Sometimes use Eco as I like the way it shifts to neutral and idles when off the throttle. Never use Individual. Obviously use Sport when wanting more shove but not that often in the daily commuter crawl!
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Worth checking driving profile, in eco it lifts off / brakes earlier.
Worth noting though that the sensor range is fairly limited with the flat sensor - which is also the reason for it being limited to 100mph. If you come up to the end of a slow moving queue on motorway doing 70 it does brake very late (usually pause it and roll along and re-activate when I am closer).
I'll compare Drive to Eco and see, thanks. I'll also give your suggestion re pausing it a try too cheers - sounds a decent compromise (not that one should be needed!)
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It was designed by an ex BMW now Audi engineer :whistle:
Very good!... made me laugh :-)
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It was designed by an ex BMW now Audi engineer :whistle:
Very good!... made me laugh :-)
:smiley:
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New owner of a mk7 here, upgraded from a mk5 and ACC was one of the main selling points for me as I do M25,A40 into London. Stop start on the motorway I find it excellent and really makes it easier. I put it into Eco and the furthest distance and handles it all well.
80mph 70mph down to stop is a bit hairy though as it doesn't anticipate so I sometimes take over for that.
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About the only thing that bugs me about the ACC is the gap it leaves to the car in front. I know the gap is set by a combination of speed and minimum braking distance requirements, but I tend to find that others are using the "gap" to sneak into causing the car to brake or further slow down.
I know it's only trying to protect me, so I'll have to live with it, but apart from that, I think it's brilliant especially with DSG and the fact that it's standard fit. For me though, I find the biggest use of the "system" is the speed limiter. With so many speed cameras round my way, I've got in the habit of setting the speed limiter to either 32 or 42mph (depending on what road I'm on) when I first start my journey to work in the morning, to ensure i'm not collecting any points for speeding, as It's quite easy to go in modern cars.
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I drive in sport mode all the time and have ACC set to Audi mode.
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I use mine every day. I find that quite often in stop start traffic it'll slam the brakes on whilst crawling along at 5mph.
Another annoying part is when you're waiting for the car in front to return to the left lane before overtaking. The ACC waits a long time before getting back on the gas to pick up speed.
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I use the ACC about 90% of the time on my commute to work. I'm in a manual so I can't comment on the start and stop.
I think it's excellent, takes some of the stress out of driving, particularly when it's bad visibility (fog etc).
I have experienced all of the above. On the rare occasion it does late break, it's a bit unnerving, but I manage to fight the instinct to break most of the time, but sometimes I have to intervene.
The space invaders are annoying, but not much you can do there.
When a car pulls back to the left lane, a dose of the right foot mitigates the delay on the ACC picking up the speed.
I find it's worst behaviour to be picking up a car that pulls in front from the left lane, in terms of it's reaction times. It won't register on the graphic there's a car in front until it's almost fully over, and it won't start to break until that point either. This is where I have to intervene most.
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The ACC radar coverage is better on the Mk7.5, it sees much wider. You don't get nearly so many undetected scenarios.
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The ACC radar coverage is better on the Mk7.5, it sees much wider. You don't get nearly so many undetected scenarios.
And it stops you undertaking another car, Mk7 only did that when you were driving on the continent.
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The ACC radar coverage is better on the Mk7.5, it sees much wider. You don't get nearly so many undetected scenarios.
And it stops you undertaking another car, Mk7 only did that when you were driving on the continent.
A quick tap of the throttle soon over-rides this tho.
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I find the Mk7.5 ACC brakes late when there is a big difference in speed. It did this on me twice. Now I just know to take over.
It is also a bit slow at keeping up if the traffic in front accelerates relatively fast. So again, slow to react to a speed difference.
Not sure what mode it is in. :embarrassed:
In general, it seems to recognise more situations correctly than the ACC in our A3.
On another topic: I was reversing up to a laurel hedge yesterday. I knew it would not damage the car so was going to reverse right up to it. THE CAR stopped dead, about a foot away. So that's the emergency brake assist tested! :huh: :grin:
Also, I love the way the front parking sensors automatically activate when I get close to something. :cool:
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On another topic: I was reversing up to a laurel hedge yesterday. I knew it would not damage the car so was going to reverse right up to it. THE CAR stopped dead, about a foot away. So that's the emergency brake assist tested! :huh: :grin:
I recall seeing that mentioned in the manual, below a certain speed when reversing (5mph rings a bell) the parking sensors will stop the car. I haven't been brave enough to try it yet. :grin:
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Yes the parking sensors do brake if you have that enabled... I reverse down a slope to the road and it thinks the road is an obstacle... Crunch go the brakes... Have to remember to disable the parking sensors when doing that...
As for acc accelerating slowly, select individual mode and turn acc to sport... A lot more acceleration if you want it.
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About the only thing that bugs me about the ACC is the gap it leaves to the car in front. I know the gap is set by a combination of speed and minimum braking distance requirements, but I tend to find that others are using the "gap" to sneak into causing the car to brake or further slow down.
This annoys me too and is the main reason why I have the setting for the gap on the minimum level of 1 bar
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Needs a Audi setting
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Yes we need an ACC equivalent on the rear that keeps cars behind at a set distance!
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Yes we need an ACC equivalent on the rear that keeps cars behind at a set distance!
Actually, you can used to be able to get rear assist which detects vehicles approaching from behind - I thought it was Lane Assist Plus that did it, but can't find it on the configurator now.
I think it worked with a rear view camera able to spot Audi badges.
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Yes the parking sensors do brake if you have that enabled... I reverse down a slope to the road and it thinks the road is an obstacle... Crunch go the brakes... Have to remember to disable the parking sensors when doing that...
As for acc accelerating slowly, select individual mode and turn acc to sport... A lot more acceleration if you want it.
Out of interest, how do you enable the parking sensors braking thing?
Ta!
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In the car setttings, parking and manoeuvring, enable manoeuvre braking.
Mine's a Mk7.5, I can't remember if the 7 did it...
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In the car setttings, parking and manoeuvring, enable manoeuvre braking.
Mine's a Mk7.5, I can't remember if the 7 did it...
Do you have park assist as an option? I have a 7.5 too but the only option I have in that menu is to enable the parking sensors and the associated volume. I don't have park assist fitted.
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Nope, no park assist.
Its definitely there!
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Yes the parking sensors do brake if you have that enabled... I reverse down a slope to the road and it thinks the road is an obstacle... Crunch go the brakes... Have to remember to disable the parking sensors when doing that...
As for acc accelerating slowly, select individual mode and turn acc to sport... A lot more acceleration if you want it.
ahhhhhhhh light bulb moment, i was trying to work this out to as i was taking over acceleration when ACC was on because took ages to get back up to speed thanks Fred - hope you are well :wink:
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Cheers Jeni - everything's cool apart from old age having a whack at me.
I love ACC but its always something you have to be prepared to over ride and you can, which is lovely.
Its definitely improved on my 7.5 vs the 7 though. Much more intelligent now.
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Nope, no park assist.
Its definitely there!
How odd! Do you have any options fitted? It's not there for me, I've checked, double-checked and triple-checked!
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Nav pro is the only thing I have.
The option is right at the bottom... Make sure you scroll down...
The only other thing is mine is MY18... I think that some 7.5's were made before MY18. When did you get yours?
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I think you may have hit the nail on the head with the model years but let's see what Excession_OCP says. My 7.5 gti was an early batch (pre-fog variety) and mine doesn't have this option either...
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I think you may have hit the nail on the head with the model years but let's see what Excession_OCP says. My 7.5 gti was an early batch (pre-fog variety) and mine doesn't have this option either...
That could be the issue! Mine's a 17 plate 7.5 GTD - it does have the fogs but appears to be too early to have the parking sensor brake function. Damn the inexorable march of time and technological progress! :grin:
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Shame you can't flash it to add this. It's only a minor software feature using hardware that's been there for years
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Nav pro is the only thing I have.
The option is right at the bottom... Make sure you scroll down...
The only other thing is mine is MY18... I think that some 7.5's were made before MY18. When did you get yours?
Is it possible that the car that stops has dsg and the one that doesn't is manual?
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Mine is a DSG but doesn't have it. I'm off to the dealers later so will see what they say. Andy
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Nav pro is the only thing I have.
The option is right at the bottom... Make sure you scroll down...
The only other thing is mine is MY18... I think that some 7.5's were made before MY18. When did you get yours?
Is it possible that the car that stops has dsg and the one that doesn't is manual?
Nope, mine is manual...
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In the car setttings, parking and manoeuvring, enable manoeuvre braking.
Mine's a Mk7.5, I can't remember if the 7 did it...
Had this happen a couple of times, reversing and it thought I was going to hit something and applied the brakes! Didn't realise this was a function... :whistle:
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In the car setttings, parking and manoeuvring, enable manoeuvre braking.
Mine's a Mk7.5, I can't remember if the 7 did it...
Had this happen a couple of times, reversing and it thought I was going to hit something and applied the brakes! Didn't realise this was a function... :whistle:
Its enabled by default!
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I don't have the option available either. 7.5, DSG, delivered mid May 2017.
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I don't have the option available either. 7.5, DSG, delivered mid May 2017.
MY18 is build date May 29th onwards... so yours is a 7.5 MY17, which doesn't have it.
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How does it brake the manual? The car would just konk out.
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How does it brake the manual? The car would just konk out.
With brakes? It sort of crunches to a hault... can't remember it stalling
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How does it brake the manual? The car would just konk out.
With brakes? It sort of crunches to a hault... can't remember it stalling
Had an idea it would use the brakes Fred, the force field I heard is being held back for the Mk8 :grin:
I meant how does it brake the car without stalling it.
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I guess when I hear the crunch I drop the clutch and brake anyway, natural reaction for a driver of many decades and millions of miles... I'd imagine my mother would stall it though lol
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I guess when I hear the crunch I drop the clutch and brake anyway, natural reaction for a driver of many decades and millions of miles... I'd imagine my mother would stall it though lol
Get you now.