Since 5.8 update (may have nothing to do with that), powered rear liftgate will not allow height reset and gives 3 beeps when button on lid is held down. Opens and closes fine. I tried a software reboot, but no help. Wondering if anyone else ran into this "3 beeps" scenerio, either before or after firmware update? And...is there a fix other than taking in to service? Thanks for your time.
