hmm, wonder if this might be related to something I just noticed yesterday, with my 2019 GTI 6MT, just approaching 5k miles.
Drove down from DC to NC yesterday morning, parked at Mom's place, and later in the day started driving around again to take her ot some appointments. Started to notice a rear-right buzzing noise whenever I removed my foot from the throttle, car still moving, seems about any speed above 15 or 20mph. Occurs at least in 2nd, 3rd, and 4th gears that I noticed. depressing the throttle makes it disappear, but as soon as I pull my foot off, the buzz starts.
When I got out of the car after that first drive notcing the noise, there was an "electric" smell near the rear of the car, there on the right side. I haven't poked around, and it's not like I would know what to look for. Fuel is actually approaching the 1/8 mark now, which brought this thread to my attention. I know it's low and can lead to fuel pump issues (I was kinda waiting until tomorrow to top it off, when the current covid-realted CSR benefits kick in to credit gas towards annual travel benefit

). Also, parking spaces in front of Mom's house are on a pretty steep slope (I tend to park forward), so wondering if this also exacerbates fuel pump problems with a low tank...
I was holding the sunroof shade up while driving, wondering if it was one of the common sunroof/shade vibration issues, but that didn't seem to consistently alleviate the buzzing. ...not that the throttle activity and the electric smell would keep me thinking that the sunroof has anything to do with it.