Black plate (15,1)Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-6014443) - 2014 - CRC - 4/3/13Infotainment System 7-15when 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.{ CautionUsing a razor blade or sharpobject to clear the inside rearwindow 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.{ CautionDo not apply aftermarket glasstinting with metallic film. Themetallic film in some tintingmaterials will interfere with ordistort the incoming radioreception. Any damage caused tothe backglass antenna due tometallic tinting materials will notbe covered by the vehiclewarranty.Multi-Band AntennaThe roof antenna is for OnStar,SiriusXM Satellite Radio (U.S. andCanada only), and GPS (GlobalPositioning System). Keep clear ofobstructions for clear reception.If the vehicle has a sunroof, and it isopen, reception can also beaffected.