Didn't have this issue last night - however I'm currently in a flight and some of the buttons on the right hand Garmin quit working. Opening it in a pop-out also does not fix the issue. Looking at the Garmin with FPL open what works: Engine Map CHKList What doesn't: View VNV Prof CNCL Vnav VNV -D-> ATK Offset ACT Leg Worked earlier in the flight and all night last night. The only thing I've done is load a saved flight