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Cruise control reacts slowly to adjustments


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My new to me 2011 FL 1.6 TDI reacts very slowly to adjustment on the stalk.

 

In my 2005 1,9 TDI Fabia, I would only use the accelerator pedal from start and do almost all speed adjustment at cruising speed wit the +/- buttons, one click giving 1 kph change instantly.

 

The Octavia only gives ½ kph per click and it takes ages, worse than any retrofitted cruise control I've ever experienced.

 

It maintains speed as it should, and resume works ok as well, it's just the speed adjustment that's way to sluggish to my taste and habits.

 

Is this normal (why?) and can it be adjusted by VCDS?

Edited by Tranberg
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If it can't be fixed, it will be a pain while towing a caravan on the German Autobahn, where any failure to keep the gap shut while following a line of trucks will cause the following truck to break out for overtaking and force his way in between my car and the truck in front - they just flip on the indicators and start pulling in.

 

Guess what happens when I reduce my speed to give room? The next following truck will start to overtake and force his way back in. Repeat ad nauseum.

Although I have Tempo 100 approval, going 100 kph with the caravan is often not possible due to traffic, and besides that fuel consumption is much higher for a measely 10-15 kph speed gain.

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Rather than clicking the button, try pressing and holding it?

 

The car should continue to accelerate/decelerate while you're pressing it and then retain the speed when you release the button.

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Changing speed by clicking is a few seconds for speed to increase by 1 kph. I do that only when I'm willing to increase the speed but I'm not in hurry. Otherwise it's easier to disable cruise control, reach the needed speed manually and choosing it as the default speed for cruise control.

Pressing and holding the button does some more rapid speed increase.

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Maybe the Fabia 1.9 TDI was an exception to a rule that says the +/- cruise control buttons serve no practical function. My brother's Twingo Dci is like the Fabia, though.

 

In the Fabia I hardly ever had to dis- and re-engage cruise control to adjust my speed to the flow of traffic.

The down side was that the car jerked forward as the speed was increased instantly by 1 kph per click.

 

My conspiracy theory says they messed up the normal CC to make it useless in traffic, so you have to buy the much more expensive active cruise control if you drive near other road users.

My buddy's Mondeo has the same kind of useless cruise control, so it's obviously some kind of industry standard.

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My conspiracy theory says they messed up the normal CC to make it useless in traffic, so you have to buy the much more expensive active cruise control if you drive near other road users.

My buddy's Mondeo has the same kind of useless cruise control, so it's obviously some kind of industry standard.

 

I doubt that as the adaptive cruise control wasn't available at the time IIRC. 

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What you describe is pretty much standard cc as it worked the same way on my 2012 mk2 vRS.

I used to press and hold the +/- button to get larger increases but did not see that as a problem on UK roads.

Adaptive cc is a pain if you have a gap set between you and the vehicle in front as tight as it will allow for the speed you are travelling as it will not move closer than a safe breaking distance for the given speed and someone slips into the tiny gap in front, as it sticks the brakes on quite hard to maintain the safe gap.

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I don't know about clicking the button for CC on the Octavia as I didn't know you could do that and it seems pointless adjusting speed by either 1 km or 1mph, I hold mines to climb from maybe 60 to 65 and it's as quick as using the accelerator pedal.

Edited by labman1001
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 it seems pointless adjusting speed by either 1 km or 1mph,

Not pointless at all IMO.

 

If you are following someone that has set their cruise 1mph slower than you have set yours, you can click it to match their speed easily. Rather than wasting fuel overtaking them, or overtaking them at said 1mph, and pi55ing everyone else behind you.

 

Also easily to adjust if you are in a speed camera controlled zone, especially if you have a digital dash or use your sat nav's speed indicator.

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Not pointless at all IMO.

 

If you are following someone that has set their cruise 1mph slower than you have set yours, you can click it to match their speed easily. Rather than wasting fuel overtaking them, or overtaking them at said 1mph, and pi55ing everyone else behind you.

 

Also easily to adjust if you are in a speed camera controlled zone, especially if you have a digital dash or use your sat nav's speed indicator.

 

All speedos are off by some degree so even if two cars were set to exactly 70 mph both would be likely to travel at different speeds thus still causing the overtaking issue you describe. This makes the idea of having exact 1mph or 1kph cruise control increments pretty useless as they are unlikely to ever line up with vehicles around you...

 

Instead, your cruise control is now giving you more adjustability to match any vehicle you might be trying to match speed with.

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All speedos are off by some degree so even if two cars were set to exactly 70 mph both would be likely to travel at different speeds thus still causing the overtaking issue you describe. This makes the idea of having exact 1mph or 1kph cruise control increments pretty useless as they are unlikely to ever line up with vehicles around you...

 

Instead, your cruise control is now giving you more adjustability to match any vehicle you might be trying to match speed with.

I don't phone the other drivers up to ask them what speed they have set their cruise control to so I can set mine to the same speed. :think: .

 

It was just a 'for instance'. Maybe I should have used the words 'If you are following someone that is travelling 1mph slower than you'.

I mentioned "set their cruise" to indicate that both drivers in the 'for instance' were using their cruise control.

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It was just a 'for instance'. Maybe I should have used the words 'If you are following someone that is travelling 1mph slower than you'.

I mentioned "set their cruise" to indicate that both drivers in the 'for instance' were using their cruise control.

 

Sure, my point is that it's very unlikely that you will ever come across someone travelling at 1mph slower than yourself making the button to drop by one mph pretty useless.

 

Instead, being able to cut the power and coast until your speed has dropped by say 0.5mph or 2.3mph etc is much more useful as you're more likely to find a speed that will maintain a constant gap.

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Sure, my point is that it's very unlikely that you will ever come across someone travelling at 1mph slower than yourself

 

With the millions of cars on the road, there will be many thousands of people travelling at 1mph slower than yourself, at any given time, whoever you are and whatever (legal) speed you are travelling at. You are bound to come across some of them now and again.

 

I do not want this to get silly, or fall out with anyone, as I said IMO so will try and refrain from replies to this. :)

 

Btw 0.5mph is equivalent to approximately one sixth average walking pace.

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I try to iron out traffic moving like a giant inchworm by setting the cruise control speed so that the car in front starts to speed up just as I'm about to catch up with it.

The cars following me then don't have to adjust their cruise control as I'm keeping a constant speed - the average speed of the inchworm of cars in front of me.

This is much harder to achieve with the gas pedal and switching the cruise off and on.

I tried keeping the +/- buttons pressed, and it does work, and much better than the Fabia, with the old stalk design combined with much faster reaction.

I foresee a new steering wheel with buttons in the future.

Edited by Tranberg
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I'll try and remember to take notice of how much it increases by per click. I haven't noticed mine doing anything unusual though.

The one thing I do notice is that pressing reset it accelerates very gently back up to speed compared to our T5 van which goes pretty much WOT and drops down a gear or two for some aggressive acceleration.

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