Directly above the stereo are four slide levers. Should be pretty evident, unless the handles have broken off. The upper left lever is the heater blower control, should be a four speed switch I believe. The actual switch is part of the slide lever assembly, buried in the dash.

__________________
Mike Tangas
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72

'02 CLK320 Cabriolet - wifey's mid-life crisis

2012 VW Jetta Sportwagon TDI...at least its a diesel

Non illegitemae carborundum.