I've seen instrument lighting discussed a few times, but none address the issue I have,  I understand the instruments light up even with the vehicle lights off, and the brightness varies with the ambient light.  I am OK with this.   I have the automatic lights, and when the lights come on automatically, the instruments light up as you would expect.  If I manually turn the light switch to sidelights, the instrument lights go out.  When I manually turn the switch to headlights, the instrument li