check the door switch
Be sure the brightness control switch is not turned off, Check the fuse, Check the bulbs.
Be sure the dash light dimmer switch is not turned off. Check the fuses.
check high/low beam relay and switch
Send it off to Microsoft so they can fix.
Send it off to Microsoft for repair.
Start by figuring out what the cause of the fault it, then go from there. Check for power at the lights. If you don't have that, check for continuity in the switch. If you don't have that, replace the switch.
check that switch it's probably defective or for some reason its staying "open" it may simply be faulty wiring.
check your switch inside the cab (the one you actually use to turn lights on and off). Mine did the same thing and the switch had shorted out...should be an easy fix
replace the head light switch. the coils in the switch get hot n turn off the lights.
Take it apart and clean it. If that does not fix it then replace it.
Check the brake light switch. It is mounted high up on the brake pedal (has a plunger on the end). The plunger on the switch has either broken off or the switch has come loose from where it is mounted to the pedal.