Hello,
This is a common issue on the Golf/Jetta 3 range. It is usually caused by bad solder joints on the instrument cluster board.
These can be repaired by yourself if you are handy with a soldering iron and a bit of patience
See picture below of common problem areas, circled in yellow.
See link below.
https://youtu.be/GZOd383imj4
Please let us know how you get along.
Cheers, Boris
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Thursday, October 14th, 2021 AT 9:39 AM