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The windshield does not make a difference. I added a HUD on my 99 Grand Prix GTP that didn't have one and to my 99 C5 that didn't have one and I was able to see everything perfectly.
The windshield does not make a difference. I added a HUD on my 99 Grand Prix GTP that didn't have one and to my 99 C5 that didn't have one and I was able to see everything perfectly.
I have heard this from other people as well. I do not have personal experience on this, but suspect the HUD may not be optimized in certain lighting conditions without the proper windshield. Probably a minor problem.
I don't think the C6 IC has the ports for the controls and display like the C5 IC did. It may be do able, but at considerable cost. C5 guys can add the HUD for just at $350. I've seen the add on HUD's w/o the so called "special" windshield and I couldn't see any difference, in fact some claim it's brighter.
Looks like GM didn't want folks adding options or accessing DIC codes that C5 folks can do. Is that progress???