This video will let you know how to obtain the radio code for the Volvo SC-series radios. If you call the dealer and they refuse to give it to you (or don't know how) contact another dealer in another area. If you pull a radio from a car in a salvage yard, pull the door vin sticker to help you get the code.
Making the world better, one answer at a time. The thing under your tongue is classifed as the frenulum (fren - yuh - lum). this is a membrane connecting your tongue to the bottom of your mouth and is a thin layer of tissue.
Figure 6 shows a very sneaky tongue-tie - a posterior or submucosal one. The frenulum (membrane holding the tongue down) is hiding behind the floor of the mouth (the oral mucosa). You can see that the tongue doesn't lift very well, and that the floor of the mouth is tented out a little. figure 6.