landing

Thanks for your response . Finaly i find the issue in pmdg forum. Just unselect Cessna 172 cold & dark in the fisrt panel of fsx. Now the autopilot work ok. Best regards.

Good afternoon, I have buyed yesterday PMDG Jetstream 4100. Ok very good aircraft. All is ok but the autopilote don't work. When I set HDG or ALT SEL or another swich no light. When I set STBY swich ihis work and all lights are displayed . It is impossibble to set the autopilote switch. The aircraft won't follow the flight plan in FMC (work good) One response Please ?