Close, but no cigar. My 2020 Lincoln Corsair (American) is similar, but the buttons on the steering wheel are different. Also, mine is a SYNC 3. Wish I could find someone with something similar that could show me the way.
Hey, thanks for your comment. I don't know much about the Lincoln Corsair being in the UK, but I do have a video showing the same trick for sync 3. Whether it is the same or not would be nice to know 😀
If you have the 13.2 inch screen and the B & O audio system and the above does not work, here is the solution; 1. Press the START button without having your foot on the brake. 2. Press the power button on the center console to turn off the Infotainment system at the same time you press the VOLUME DOWN buton on the left side of the Steering Wheel, hold them until the dash goes blank and the Speaker Test starts. This puts you in Bezel Diagnostics mode. You can go to Display Test and select it, this will leave a choice on you menu screens to go into the test mode whenever you want, without repeating the above steps.