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.
Some people, have small (<1 cm) horn-like triangular flaps of skin under their tongue. They are on each side of the frenulum (the piece of tissue connecting the bottom of the tongue to the inside of the mouth) under the tongue and run parallel next to the two distinct veins.