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Front assist...

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garmcqui

Passed Driver's Ed
Location
North East England
I have never been able to get front assist to work... It's definitely switched on. Sometimes I get the little logo with the 2 cars and the exclamation mark if I'm too close to the car in front, but that's all.

2 questions:
- if I drive up behind someone, (at a roundabout for example), I've tried leaving it to the last second to brake to see if the front assist takes over, but it never does. Should it?

- when ACC is on, and the car in front slows to a stop, should the front assist take over and stop my car too? Because at the minute, the ACC slows the car down to a certain point, but then an alert appears in the dash telling me to brake, but if I don't, the car RELEASES the brakes (quite disconcerting actually).

I've never had the car brake hard for me, no matter how hard I try.

Gareth
 
L

Luddite

Ready to race!
Location
Kent, England
Such a tricky question. The system seems to detect obvious collision mitigation, such as braking or engine-braking downshifts, but I've found it occasionally fussy just allowing momentum to die out in the same gear.
The graphic makes it look like the cars angry at you too! What's all that about? I get enough grief off the missus! I don't need inanimate objects, even very comfy and well constructed ones, thinking they can start bossing me about!
If the car thinks it can do better I'll just park myself in the back, let it carry on. See how it likes them apples!
:)
 
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garmcqui

Passed Driver's Ed
Location
North East England
Manual.

But I still think it's slightly dangerous that the ACC brakes you to just under 20mph, then beeps and just releases the brakes! I thought front assist would step in and stop the car - no?

And does front assist do anything when ACC is switched off?

How can I test if my front assist is working properly?
 
H

Hello_Mr_Mo

Passed Driver's Ed
Location
Midlands, UK
I'm also interested but never been brave enough to try it! I Alonso HSBC the option selected. There is a YouTube video which advertises the front assist function where two thieves nick a Golf and try to drive through a barrier and front assist kicks in. I think the car needs to be travelling above a certain speed before it brakes the car for you when it senses something in front.
 
Z

zgap101

Ready to race!
Location
UK
And if it fails the test,
you then get the results of the airbag test?
 
dipth

dipth

Ready to race!
Location
Denmark
The DSG version with ACC will brake the car to a complete stop if the driver in front stops.

I'm guessing that the manual version doesn't do it, as to avoid the motor stalling because it has no way of pressing the clutch.
 
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garmcqui

Passed Driver's Ed
Location
North East England
yes the ACC won't brake to a halt in a manual, but what does the Front Assist or City Emergency Braking do?

Are these the same thing anyway?
 
JCJ

JCJ

Ready to race!
Location
Devon
garmcqui said:
yes the ACC won't brake to a halt in a manual, but what does the Front Assist or City Emergency Braking do?

Are these the same thing anyway?
Click to expand...

I was led to believe that even in a manual gearbox the car would come to a complete stop under Front Assist as the City Emergency Braking takes over.

I'm not so sure now. Was I misinformed? I would love to know from anyone.

http://www.youtube.com/watch?v=Vthgb2BFrpY

It says in the video clip that Front Assist steps in, but it does not say that this only applies to DSG cars.
 
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Luddite

Ready to race!
Location
Kent, England
I've had it activate at around 35 mph. I believe this is the 'front assist' part of the deal. I was allowing momentum to die out as a van was turning left ahead. No danger of a collision. The thing stabbed the brakes so hard I thought I'd caught the bottom of the car on something.
I've also had a couple of occasions where I've been shown the two cars graphic and another couple with the angry looking warning that takes over the mfd. On no occasion has there been even the slightest danger of me rear-ending the car in front.
The two systems are really, as I understand it, one system, just that at lower speeds it'll stop you dead, at higher ones it'll try and mitigate the impact.
I don't think VW would worry about your car stalling in a manual if it meant you wouldn't be hearing your engine purring in someone else's boot-space!
 
JCJ

JCJ

Ready to race!
Location
Devon
Luddite said:
I've had it activate at around 35 mph. I believe this is the 'front assist' part of the deal. I was allowing momentum to die out as a van was turning left ahead. No danger of a collision. The thing stabbed the brakes so hard I thought I'd caught the bottom of the car on something.
I've also had a couple of occasions where I've been shown the two cars graphic and another couple with the angry looking warning that takes over the mfd. On no occasion has there been even the slightest danger of me rear-ending the car in front.
The two systems are really, as I understand it, one system, just that at lower speeds it'll stop you dead, at higher ones it'll try and mitigate the impact.
I don't think VW would worry about your car stalling in a manual if it meant you wouldn't be hearing your engine purring in someone else's boot-space!
Click to expand...

Thanks! That makes sense and I don't think I would be at all worried about stalling the car if it saves a catastrophe.
 
Gignomeus

Gignomeus

Ready to race!
Location
United Kingdom
I came across a video on youtube once (what are the chances of that!;)) that compared different manufactures front assist systems: if I remember rightly Volvo did pretty well, preventing a few crashes in the various speed tests, but not all. think it was the Chrysler one that was basically totally rubbish, if your lucky it would take a couple of mph off your speed before ploughing through the car ahead.

There more damage limitation systems rather than prevention; if you don't hit the car in front count yourself lucky...

Still worth having in my book, but no falling asleep at the wheel yet!
 
O

ollylee21

Passed Driver's Ed
Location
Inverness
I may be wrong, but don't you need to be going 20mph before you can activate cruise control? So I assume it would stop working at the same speed when slowing.
 
Gignomeus

Gignomeus

Ready to race!
Location
United Kingdom
ollylee21 said:
I may be wrong, but don't you need to be going 20mph before you can activate cruise control? So I assume it would stop working at the same speed when slowing.
Click to expand...

True with the old skool DIY gear changie thing, but us living in the future all have auto boxes where everything is magical and front assist/adaptive cruise works all the way down to 0mph... ;)
 
GTI-7-Performance

GTI-7-Performance

Ready to race!
Location
Switzerland
Gignomeus said:
True with the old skool DIY gear changie thing, but us living in the future all have auto boxes where everything is magical and front assist/adaptive cruise works all the way down to 0mph... ;)
Click to expand...
And the radio works at all speeds and even when stopped...
 
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