THANKS TO ALL We picked up the radio the other day and while I was driving my son (its his car) changed the radios. I called the local dealer and was given a code for the radio. We had the vin number from the car. BUT the code didn't work. So I called back with the part number and serial number on t...

We have a 1994 850 wagon the radio has stopped working. I have found one at local junk yard. I know about the codes but understand that some specail tools are needed to change the radios. Does anyone have more info about this?

Thanks