2003 Porsche Boxster S getting almost no volume

[2003S]

Originally Posted by dan.oneufer

Gremlins! Mine (2003 S with the same unit) has twice just not given any volume, even though the display worked; the various bands changed; and it had worked right before I shut the car off. Subsequent restarts and all seems back to normal.

Same here - 2003S CDR23 has had the volume crap out on start a few times. A little rest and a restar fixed it...