I've read some where it is possible with the long coding. IDK, it just seems easy to press the dash button to disable it each time you start the car. If I forget when starting I'm reminded rt away when I'm stopped at a light
Obd or VCDS you can do it. Go into gateway (19) then adaptations. Then from the drop down list go to start-stop start voltage limit. Change the value from 7.8 to 12.1. Click do it. Then you’re good. I did this a year ago and never looked back.
Humble mechanic has a video showing how to do this as well.
I know this is an older thread, Yet I wanted to help those that do not want to buy anything to disable the auto start. All I did on my 2017 A3 is to make sure the AC system was not set to Auto. If the car see's that there is a demand for the compressor it will not shut the car off. I have not tried ac off defrost on to enable the compressor like older cars would do to see if it has the same effect for people that drive in colder climates. This information is available in the owners manual
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