What Does XM stand for on the radio?

XM is the brand name of a satellite radio provider. Their competitor in the market is Sirius Radio. Both provide a wide variety of audio stations beamed from a satellite. This means they are available anywhere in North America, so you can listen to the same station all across the US. Cost for the service is about $10 a month. New GM cars and vehicles are all equipped with XM radio and most come with a free 90 day subscribtion with a new car. Other auto makers also have satellite radios. You can obtain hand held and MP3 capable players as well.