My experience is that it used to be a dome shaped lens but has now been modified to look like this

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Sorry DefenderBen didn't realise you had linked to the same picture, my bad!

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Volvo had a dome shaped one VAG is the square Bosch box.

Sorry DefenderBen didn't realise you had linked to the same picture, my bad!

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No worry yours is easier to see within the thread

No, aint the radar the box in the bottom of the grille? The one that fills with snow and prevents ACC to function.

The new Superb has the radar unit integrated into its front grill and works in tandem with the camera at top of windscreen to operate the AAC.

The new Superb has the radar unit integrated into its front grill and works in tandem with the camera at top of windscreen to operate the AAC.

I'm not sure that's quite right as my new Superb has ACC with the radar integrated in the grill, but no camera, AFAIK the camera is for other functions such as lane assist etc.

I'm not sure that's quite right as my new Superb has ACC with the radar integrated in the grill, but no camera, AFAIK the camera is for other functions such as lane assist etc.

Sorry, it was how I worded it. AAC uses an algorithm to predict and react to what the driver has asked for and the conditions presented to it by the radar. It runs off the radar data directly which then links into the rest of the car, engine, gearbox, brakes etc to operate.

The camera is used for Smart Light Assist, HBA, TSR and Lane Assist. It also provides some information into the AAC controller algorithm such as TSR and other obstacles/vehicles which not in the radars field of view. The car then reacts to the situation and you find yourself braking to a standstill perhaps.

What those obstacles are exactly I am not sure but other vehicles in the lane next to yours along with speed limit signs might be it. It is documented in the technical manual which I don't have immediately to hand. I think it's a very small bit of integration hence not known about by many but for define the TSR is one that is reacted on by AAC if set to do so.

Edited 30 January, 201610 yr by blahde2

Sorry, it was how I worded it. AAC is a algorithm which runs off the radar data directly which then links into the rest of the car, gearbox, brakes etc to operate.

It is essentially the same thing. The camera is used for Smart Light Assist,HBA TSR, Lane Assist and proves some information to the AAC controller reference other obstacles not in the radars field of view.

What those are I am not sure but other vehicles in the lane next to yours along with speed limit signs might be it. It is documented in the technical manual which I don't have immediately to hand. I think it's a very small bit of integration hence not known about by many.

Ah i see, that's interesting, thanks 

When I originally bought my Octavia Elegance, it was around the time Front Assist was standard spec but had been pulled....so didnt know whether my car would turn up with it or not....it didnt of course. Was always the case of not missing something you'd never had of course.

Lattery Ive had a Golf GTD which came with ACC and Front Assist and have to say I now do rather approve of the tech. Its occasionally a little oversensitive and Ive had it exhibit quirky behaviour once or twice (once where it continued to track a car that had turned off into a car park causing the car to brake quite hard for no reason)...but it has at least once stopped me from having quite a severe rear ender so thankful for that.

I do also really like the proximity reminders as it does genuinely serve to remind you to be considerate about the gap left between you and the car in front and the alerts do also serve as a reminder to be more careful.

ACC whilst it again has its minor quirks is it has to be said alot better than standard cruise....my Golf also has a speed limiter function on it too which I do find v useful when trundling around the M25 or through an average speed limit area.

Would I go out of my way to pay for either....I dont know really. Probably not on an Octavia.....I think its a little insulting with all the spec Skoda do throw at the O3 that ACC isnt standard on the SE-L and perhaps at least front assist being standard on vRS also but as is life.

Not sure if you have witnessed it going off...I is very noticeable when your dash lights up with a red warning symbol filling the maxidot screen!!!

Very noticeable to me and scary when it goes off falsley as mine has with reflective surfaces of cyclists and a police car.

I have had it go off (it didn't auto brake though... Does it?)

I think the first time it went off for my wife she went... "That's wierd", and then looked down at the screen rather than attempt to brake (thankfully false alarm)

I have had it go off (it didn't auto brake though... Does it?)

I think the first time it went off for my wife she went... "That's wierd", and then looked down at the screen rather than attempt to brake (thankfully false alarm)

Yeah it does....at crawling speeds it will pretty much bring you to a halt, up to 31mph I think....from then it will trigger emergency braking but will not bring the car to an absolute standstill...car basically gets on the brakes way before you would do so you can finish off.

The hazard lights also flash for a short period when this happens.

My front assist has gone off many times as there is a particularly good junction near mine where cars have to slow from 70kph down to 25kph to make the right hand turn.

The ACC cannot see the indicator flash of the car making a turn, so it assumes there is a car driving at 25kph in front of you, hence it brakes hard if you are traveling at 70kph.

This is one of the scenarios that ACC does not handle well, so I normally disengage it and brake manually.

I have never let the car brake me all the way down to zero and nor am I sure it would do. I have had many occasions when I have not braked on purpose to see if it reacts to cars stopping in front and it hasn't. I have not had the balls to wait any longer so have hit the brakes myself harder than normal just to stop.

It will brake all the way to zero UNLESS you are approaching a car that is completely stopped as it ignores non-moving objects.

Nice video DefenderBen it does show the system well. I believe that you can turn off Front Assist in a menu and it is 'key specific' and does not activate again at the start of the next journey, only when it is turned back on.

Redboy, do you have ACC and FA? At the time of the FA warning did you have ACC on? I only ask as this started as a thread about FA giving a warning and very likely saving you from a brown trouser moment and moved on to ACC.

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You don't need to have ACC turned on for front assist to work. It comes on between certain speeds. It can be turned off from MFD. ACC and front assist use same radar mounted on the grill, but they function independently. 

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Redboy, do you have ACC and FA? At the time of the FA warning did you have ACC on? I only ask as this started as a thread about FA giving a warning and very likely saving you from a brown trouser moment and moved on to ACC.

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No Jonro2009 I don't have ACC, partly because I am too paranoid to let the car cruise automatically on the Uk's crowded motorways, although my intent shortly is to 'hit' the continent for a return to the autobahns which I used to cruise fairly often. I chose the FA to stop me safely if I didn't see stopped traffic quickly enough and it has paid off. Even one good activation saves a crash and instantly more than repays the cost of buying it and inconvenience of getting a hire car and filling out claim forms as well as future insurance hassles.

That's exactly what I thought Redboy, no ACC. Totally agree about the system paying for itself following a successful and appropriate activation of the FA. I feel that way about my Dash Cam too.

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No, aint the radar the box in the bottom of the grille? The one that fills with snow and prevents ACC to function.

Yes, I was verbatiming (no such word) my Passat manual. The system though is the same...VAG.

Hi, guys , I was driving a Skoda Karoq fitted with front assist , the car would sometimes show the image on dash of 2 cars following each other , and it would not be consistent ie sometimes I would be closer to car in front but maybe with leg on brakes , showing a warning on dash is pointless as driver needs to look where he is goin ? Also can someone explain from the start what it is and what it does ? 

13 minutes ago, Kevinburke said:

Hi, guys , I was driving a Skoda Karoq fitted with front assist , the car would sometimes show the image on dash of 2 cars following each other , and it would not be consistent ie sometimes I would be closer to car in front but maybe with leg on brakes , showing a warning on dash is pointless as driver needs to look where he is goin ? Also can someone explain from the start what it is and what it does ? 

 

Its a safety system to help avoid collisions. It will tell you if you're too close to the car in front (probably what you were seeing) but in case of a car infront braking/slowing unexpectedly the car will brake for you with a loud beep to try and avoid a collision. It has false positives which in itself are a problem, I've had it brake without need both going past bollards and with cars turning in front where there is no danger on my fabia. That being said, as in the op's scenario it could save lives/damage.

I had it trigger several times but I am still not sure about when it should kick in. I experienced mostly the issue when the car in front slows down to turn. What I observed, it sort of works better with taller cars being in the front. It never worked for me at slow speeds, never. If I don't hit the brakes, I think a collision would be imminent. Perhaps it is broken..Try to reset it twice but I only experienced more false positives.

Perhaps you saw this symbol KevinBurke.

 

This is a good description of the Front Assistant braking:

 

https://www.euroncap.com/en/ratings-rewards/euro-ncap-advanced-rewards/2013-skoda-front-assistant/

 

I noticed when it triggers the warning it does charge the brake system so they are much sharper when you do get on the brake pedal. That is also a good feature of the system.  It has potentially saved me from a close call on one occasion though on 4 occasions it has warned me when it was not necessary when a car turns left on a sharp junction.

 

My worry is that we might become more self reliant on this system than rather than paying more attention or being better drivers.   I guess it is a bit like ABS, that has been a great safety feature and I would never purchase a car without it (not that you can really these days).

 

 

Edited 31 January, 20206 yr by Plantman

34 minutes ago, Plantman said:

I noticed when it triggers the warning it does charge the brake system so they are much sharper when you do get on the brake pedal. That is also a good feature of the system.  It has potentially saved me from a close call on one occasion though on 4 occasions it has warned me when it was not necessary when a car turns left on a sharp junction.

My experience is very similar, several false positives caused by the vehicle in front turning off to the left but on one occasion (traffic suddenly stopped on the A303 near Sparkford) possibly because it had charged the brakes (and warned me audibly and visibly) I stopped quicker than the MINI in front who very nearly "kissed" the rear end of the lorry he was following.

 

So I can live with the false positives

Edited 31 January, 20206 yr by PetrolDave

Sorry to revive an old thread, but you all seem to be in the know about acc. The first octavia I test drove had acc and as part of the test drive I had it on and set to 30 through a town when all the traffic stopped at a set of traffic lights and the car allowed down and stopped behind them and turned its engine off and I had to accelerate myself and reactivate the acc when everything started moving again. I have since bought a different octavia with acc and the other day a similar situation happened, but when it stopped it immediately beeped saying brake and then lurched forward instead of turning off the engine. Which is the correct mode of operation for the acc?