what is the lever in the top of roof for when i push it it sounds like a motor moving something behind my back seat .
Asked by sunny Nov 13, 2016 at 10:26 PM about the 2011 Chevrolet Silverado 1500 LT Crew Cab 4WD
Question type: General
im trying to find out what the lever is for i look in my manual it say roof vent well i don't have a roof vent .and it sounds like something moving behind my back seat ?