68Product RegistrationVisit us at the following site: http://www.pioneerelectronics.comRegister your product. We will keep the details of your purchase on file to1help you refer to this information in the event of an insurance claim such asloss or theft.Receive updates on the latest products and technologies.2Download owner’s manuals, order product catalogues, research new3products, and much more.IMPORTANT! The serial number of this device is located on the back of this unit.Serial No.:___________________________XMp3 Radio Customer Service InformationBecause your satisfaction is important to us, we encourage you to use the toll-free Listener CareCenter number for any question regarding your XMp3 radio.1 800 XM RADIO (1-800-967-2346)Other Information