FM StereoFM stereo will give the best sound, but FM signalswill reach only about 10 to 40 miles (16 to 65 km).Tall buildings or hills can interfere with FM signals,causing the sound to fade in and out.XM™ Satellite Radio ServiceXM™ Satellite Radio Service gives digital radioreception from coast-to-coast in the 48 contiguousUnited States, and in Canada (if available). Just aswith FM, tall buildings or hills can interfere with satelliteradio signals, causing the sound to fade in and out.In addition, traveling or standing under heavy foliage,bridges, garages, or tunnels may cause loss of XMsignal for a period of time. The radio may displayNO XM SIGNAL to indicate interference.Cellular Phone UsageCellular phone usage may cause interference with yourvehicle’s radio. This interference may occur whenmaking or receiving phone calls, charging the phone’sbattery, or simply having the phone on. This interferenceis an increased level of static while listening to theradio. If static is received while listening to the radio,unplug the cellular phone and turn it off.Care of Your CDs and DVDsHandle CDs carefully. Store them in their originalcases or other protective cases and away from directsunlight and dust. The CD player scans the bottomsurface of the disc. If the surface of a CD is damaged,such as cracked, broken, or scratched, the CD willnot play properly or not at all. If the surface of a CD issoiled, take a soft, lint free cloth or dampen a clean,soft cloth in a mild, neutral detergent solution mixed withwater, and clean it. Make sure the wiping processstarts from the center to the edge.Do not touch the bottom side of a CD while handlingit; this could damage the surface. Pick up CDs bygrasping the outer edges or the edge of the hole andthe outer edge.Care of the CD and DVD PlayerThe use of CD lens cleaners for CDs is not advised,due to the risk of contaminating the lens of the CD opticswith lubricants internal to the CD mechanism.3-113