MY VW Passat had a feature that if you held in the lock key on the remote the windows and sunroof would close. If you held in the unlock button the windows would roll down. Great in the heat.
I never tried this in the Camaro yet, I will check tonight,
ITS HERE! : 2010 Camaro 2SS / 6 Speed Manual (No other way) / Silver Ice Metallic / Inferno Orange Interior Accent / RS Package / Polished Wheels / SOLO MACH X CAT BACK