As an aside, I was able to change the audible level of the turn signals on my 20...

dicknuckle on June 30, 2022 | parent | context | favorite | on: BMW F Series Gear Selector, Part Two: Breakthrough

As an aside, I was able to change the audible level of the turn signals on my 2020 Toyota with their Techstream software (from the usual shady sources) and a Tactrix cable I originally bought for flashing my Subaru ECU. Maybe you can do the same for your vehicles with their dedicated software.