L libertino85 New member Joined Jun 25, 2009 Messages 1 Reaction score 0 Points 0 Jun 25, 2009 #1 Is there a way to adjust (increase) the volume on the subwoofer that comes with the 2007 Chevy HHR? My subwoofer volume is very low.
Is there a way to adjust (increase) the volume on the subwoofer that comes with the 2007 Chevy HHR? My subwoofer volume is very low.
