[. . . ] If it doesn't seem to be working properly, first press the Reset button. In cold climates, there may be a period after you turn on your vehicle's heater when the lens that guides the laser beam used in your CD player fogs up. If it does not return to normal after several hours, contact your Kenwood dealer. Some car stereos cause the sound of the tuner to make for a moment when an engine is activated. [. . . ] (For more information on finalization processing, refer to the manual for your CD-R/CD-RW writing software or CD-R/CD-RW recorder. ) Additionally, depending on the recording status, it may prove impossible to play certain CDs recorded on CD-R or CD-RW. Using such a CD may cause the CD to be deformed and the sticker to peel off, resulting in malfunction of the unit. Do not store CDs in areas exposed to direct sunlight (such as a car seat or the dashboard) or other hot places. A CD-R or CD-RW is more susceptible than a Make sure the disc magazine is the right way up with the Kenwood logo on the top. Use the CD changer with its door closed to prevent the entry of dust into the changer. Take care to insert the tray into the correct grooves in the disc magazine. If the door is not completely open, the magazine may hit the door and cause damage of malfunction. Be sure to turn down the volume whenever you listen to the radio or a cassette tape after stopping the disc play. During the disc play is being conducted, you are not able to receive ordinary Radio broadcasting because antenna output is switched into compact disc player`s side. It may take a little time to start receiving after you selected the SIRIUS source. if the prevention of distortion function is set to "ON" , the sound extension is reduced. If a disc with a high recording level is used, the sound may distort even if the prevention of distortion function is set to "ON". Insert the batteries with the + and ­ poles aligned properly, following the illustration inside the case. The provided batteries are intended for use in operation checking, and their service life may be short. When the remote controllable distance becomes short, replace both of the batteries with new ones. A portion of the operations may not be possible, depending on the unit that is connected. Each time the [+] button is pressed it switches between the SR1, SR2, SR3, and SR4 bands. When drilling a hole in the car chassis to install the unit, check first that nothing is on the other side. If the fuse blows, first make sure the wires aren't touching to cause a short circuit, then replace the old fuse with one with the same rating. Do not let unconnected wires or terminals touch metal on the car or anything else conducting electricity. To prevent a short circuit, do not remove the caps on the ends of the unconnected wires or the terminals. [. . . ] Use the Sirius connection wire to connect the control unit and the Sirius satellite radio tuner. After checking for short circuits in the wires, replace the fuse with one with the same rating. No sound is heard even though the information concerning the Sirius satellite radio tuner is displayed. In compliance with Federal Regulations, following are reproductions of labels on, or inside the product relating to laser product safety. [. . . ]