Re: Dash problem...I think?
It sounds like everything is working properly. My car does the same thing. I think I have seen you mention you have the GM/Helm shop manual. It can answer most questions on how things are supposed to operate. I haven't read this section in the manual in a while but I believe in this case the ambient light sensor varies how bright the dash lights are according to how much ambient light there is. When you go into the darker area it dims the dash but it dims it too much. Once you turn the lights on you have control of how bright you want the dash.
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