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Discussion Starter · #1 ·
Hi, just wondering if anyone can actually notice the AVC working in their car.

I have the OEM single CD DAB unit with B/T and USB in an 09 ST. The AVC can be set from +1 to +5. I'm assuming that +5 means its either more sensitive to picking road noise or produces a greater volume change when it does pick up and increase in ambient noise.

I've tried all settings from 1 to 5. I've also experimented turning on the headunit before starting the car, after starting at idle, while driving...and nothing seems to make it work. I still have to turn the volume up manually if, for example, I go onto the motorway.

Has anyone else noticed this / fixed this or know what I'm doing wrong?

Cheers

Colin
 

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The volume changes with speed rather than taking a measurement of road noise itself, reckon mine works as passengers have noticed it but I've got used to it myself.
 

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i cant tell if mine works on my original 07 sony headunit - avc is set to on, but no chnage in volume is apparent at higher road speed
 

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Discussion Starter · #7 ·
Cheers for the replies people and thanks for clarifying that it increases with speed. So it seems that the majority can notice it. I have a mate with a Clio Trophy and the feature is really noticeable in his car. I guess I need to get a few different passengers in the motor and see if they can detect anything. But from where I'm sitting it doesn't seem to have any effect and I just end up reaching for the stalk controls like I did in my old focus.
 

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We have this in our Civic and it's very noticeable on the motorway, usually because the Mrs tells me to turn it down and I always have to explain why it's gone louder.
 
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