Volvo Repair: radio, volvo 740, fuse

Question
i have a 91 volvo 740.  i changed the radio fuse and now i'm getting a code e.  the radio doesn't work.  is there a code i need to punch in?
thanks
vince

Answer
Yes, your radio came with a code to operate the radio. You need to look over your paperwork when you bought it to find the little card that came with it. Or you'll have to take out the radio, look at the back for a serial number and see if the dealer will give you the code.