1. Can see them, not clearly, from the driver's side. It's more for passenger entertainment
2. Already had them in the pillar before in the black stanza I had, was bad because I couldn't see around left turns that great (pic included).
3. Dunno about the climate control, but I know I have A/C and it works
4. It's Oil Pressure, Vac/Boost (I have no turbo, probably never will) and Air/Fuel Ratio.