[. . . ] The noise level on CDs is much lower than on analog-type records or tapes. Therefore, before playing a CD, turn the volume down all the way then adjust the level by gradually turning the volume up once playback begins. Do not turn the volume up too abruptly as this could damage the speakers. [. . . ] In order to ensure proper performance, be sure the temperature in your vehicle is between ­10°C and 60°C before turning your player on. Good air circulation is essential to prevent heat build-up in the unit (especially in hot weather). if the surface is scratched , it may cause the pickup to skip signal tracks. For routine cleaning, wipe the playing surface with a clean, soft, dry cloth from the center of the CD to the outer edge. If the surface is heavily soiled, dampen a clean soft cloth in a solution of mild neutral detergent before cleaning the CD. When not in use, place your CDs in their individual cases and store them in a cool place away from the sun, heat, and dust. Do not grip or pull out the CD while it is being pulled back into the player by the automatic reloading mechanism. When a new CD is inserted into the player, the CD may fail to play after initial loading. This is caused by small bumps around the center hole and outside of CD that prevent proper loading. when you press the eject button , the currently selected CD is ejected. This product is equipped with two illumination colors, white and orange. The illumination color changes each time you press and hold the eject button for 3 seconds or longer. A bracket is attached to this unit to protect it from shocks during shipment. Be sure to remove this bracket before installing this unit in your car (before connecting). Be careful not to injure yourself on the edges or other parts of Caution card the bracket when removing it. Also, do not reinsert the shipping bracket once you have operated this unit as this will result in damage. Otherwise, make sure the rest of your system is properly connected or consult your authorized HONDA dealer. SOLUTION Press the eject button, press one of the disc number buttons (1­6), switch the control unit source OFF once, or switch to another source other than CD and then switch back to CD. [. . . ] If performing any of these operations does not cancel the E-01 indication, consult your HONDA dealer. Load CD straight and level, not at an angle, CD Changer to prevent further scratching. Rough edges may touch mechanism parts and can be corrected by lightly sanding CD edges. [. . . ]