RB1 Navigation Radio combines a 4.9-inch full-color display, AM/FM stereo, CD Player and Navigation System that utilizes DVD technology, all in one handy unit. This sophisticated, yet simple-to-use navigation system guides you to your preciseádestination through the use of Global Positioning System (GPS) satellite technology and an onboard computer. The system offers full mapping and turn-by-turn route guidance with voice instruction, automatic re-route calculation, unique smart-spelling feature, extensive listings for points of interest and enough memory to store 100 personal addresses. Unit includes a geographic DVD with routing directions for the continental 48 States and parts of Canada. The radio features 10 AM, 10 FM, and 10 Sirius Satellite Radio pre-sets. This system is Sirius Satellite Radio capable and displays station names, song title and artist. To obtain Sirius Satellite Radio, a satellite receiver/antenna kit, installation kit, and subscription to the Sirius service is required.. Contains Mercury. Do not dispose in trash. Recycle or dispose as hazardouos waste.