[. . . ] Use the unit with the door closed Otherwise, foreign matter may enter the unit, and contaminate the lenses inside the CD changer. Do not leave the disc magazine in locations with high temperatures and high humidity, such as on a car dashboard or in the rear window where the disc magazine will be subjected to direct sunlight. â· Do not place more than one disc at a time onto a tray, otherwise the changer and the discs may be damaged. [. . . ] â· Do not drop the disc magazine or subject it to a violent shock. replace the battery with a Sony CR2025 or Duracell DL-2025 lithium battery. When the battery becomes weak, you will not be able to operate the unit with the wireless remote. When the tray comes out Normally, the trays will not comes out of the magazine. However, if they are pulled out of the magazine, it is easy to re-insert them. â· Wipe the battery with a dry cloth to assure a good contact. â· Be sure to observe the correct polarity when installing the battery. â· Do not hold the battery with metallic tweezers, otherwise a short circuit may occur. With the cut-away portion of the tray facing you, insert the right corner of the tray in the slot, then push in the left corner until it clicks. To go back to the normal playback mode, press (SHUF) until "SHUF" disappears. If your car was parked in direct sunlight resulting in a considerable rise in temperature inside the car, allow the system to cool off before operating it. â· If no power is being supplied to the system, check the connections first. If you have any questions or problems concerning your unit that are not covered in this manual, please consult your nearest Sony dealer. Do not expose the discs to direct sunlight or heat sources such as hot air-ducts. Do not leave discs in a car parked in direct sunlight where there can be a considerable rise in the temperature inside the car. On a rainy day or in a very damp area, moisture may condense on the lenses inside the unit, and the unit will not operate properly. In this case, remove the disc magazine and wait for about an hour until the moisture has evaporated. If the fuse blows again after replacement, there may be an internal malfunction. [. . . ] In this case, remove the disc magazine and wait for about an hour until the moisture has evaporated. If the fuse blows again after replacement, there may be an internal malfunction. 1 ( (play/pause) indication Lights during CD playback and flashes when the pause button is pressed. [. . . ]