Black plate (15,1)Cadillac CTS/CTS-V Owner Manual - 2013 - CRC - 4/18/12Infotainment System 7-15Radio ReceptionFrequency interference and staticcan occur during normal radioreception if items such as phonechargers, vehicle convenienceaccessories, and external electronicdevices are plugged into theaccessory power outlet. If there isinterference or static, unplug theitem from the accessory poweroutlet.FMFM signals only reach about 16 to65 km (10 to 40 mi). Although theradio has a built-in electronic circuitthat automatically works to reduceinterference, some static can occur,especially around tall buildings orhills, causing the sound to fade inand out.AMThe range for most AM stations isgreater than for FM, especially atnight. The longer range can causestation frequencies to interfere witheach other. Static can also occurwhen things like storms and powerlines interfere with radio reception.When this happens, try reducing thetreble on the radio.SiriusXM® Satellite RadioServiceSiriusXM Satellite Radio Serviceprovides digital radio reception. Tallbuildings or hills can interfere withsatellite radio signals, causing thesound to fade in and out. Inaddition, traveling or standing underheavy foliage, bridges, garages,or tunnels may cause loss of theSiriusXM signal for a period of time.Cell Phone UsageCell phone usage, such as makingor receiving phone calls, charging,or just having the phone on maycause static interference in theradio. Unplug the phone or turn it offif this happens.Backglass AntennaThe AM-FM antenna is integratedwith the rear window defogger in therear window. Do not scratch theinside surface or damage the linesin the glass. If the inside surface isdamaged, it could interfere withradio reception. For proper radioreception, the antenna connectorneeds to be properly attached to thepost on the glass.If attaching a cell phone antenna tothe glass, attach it between the gridlines.Notice: Using a razor blade orsharp object to clear the insiderear window can damage the rearwindow antenna and/or the rearwindow defogger. Repairs wouldnot be covered by the vehiclewarranty. Do not clear the insiderear window with sharp objects.