Installing a new headunit while retaining original functions

May 24, 2023
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So im upgrading my stereo and i want to install an Alpine multimedia system.
The problem is, the factory headunit contains some settings which im gonna lose, like:
-Disabling ASR (which is important feature to me. my car also dont have an ESP button)
-Tuning the clock on the gauge cluster
-Gauge cluster dimming
-Resetting an oil change

For the ESP button, which is the most important feature since i like driving hard sometimes, i thought of installing the following:
Is it possible to add this button since the model i have dont have it from the factory? (a picture is included)

Is there any solution other than having a chinese android headunit to keep those features?
What do the cupra guys do when they want to upgrade their headunit, while retaining the ability to change driving mods?

Screenshot 2023-05-28 183017.png
 
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