Ambient air was 61 degrees here today, and the outside air flowing through my vents (no A/C) was cool. There's no way that air was anywhere near 80 degrees.
I have manual controls also. I'll try to get a temp measurement for you.
'12 SE Sport 5Dr |╠╬╝|SGM|203a|Moonroof|17" Paint/Mach Whls|K&N 57S-4000|FFE RMM|Steeda STB, RSB|JBR bushings
'01 ZX3|╠╬╝|Pitch Blk|Prem pkg|Moonroof|SVT Snorkel|SVT Susp|Steeda STS|Magnaflow exh