Sounds like the combo switch needs to be replaced. You'll have to pull the steering wheel and somewhat disassemble the steering column. The switch has about a foot or more of cable whcih makes connection in the dash. Not too terribly difficult, a good DIY job.

__________________
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.