Someone may find this useful - It's the same hidden menu as the touch 2 Hidden service menu for the MM17 (gen 4 yaris) Press and hold the INFO button Turn the headlights on and off 3 times   or Press the Vol/Power button so it displays Audio Off Press the MENU button Touch «Display» Touch «Screen off» Quickly press CH, 5 times  and immediately press TRACK, 5 times turn the ignition off to exit the menu