When the turn signal is activated to go RIGHT, the turn indicator flashes LEFT (both the arrow on the instrument panel and the exterior lights). Since the driver is not consciously looking at the dash, this causes an unexpected lane change and dangerous (and illegal) lane change. There are no warning lights that there is an error/problem. This is an intermittent but frequent problem and replicable. I have not taken the issue to the dealer but research suggests that the turn signal stalk must be replaced. Searching...
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online, I see that other Audi A6, for various years, have this problem. I also recently learned that Hyundai vehicles were recalled for this same issue. Hopefully you can look into it to see. Thank you.