2001 Nissan Altima Owner's Manual - Page 111

● A new disc may be rough on the inner and outer edges. Remove the rough edges by rubbing the inner and outer edges with the side of a pen or pencil as illustrated. ● CAUTION During cold weather or rainy days, the player may malfunction due to the humidity. If this occurs, remove the CD and dehumidify or ventilate the player completely. The player may skip while driving on rough roads. The CD player sometimes cannot function when the passenger compartment temperature is extremely high. Decrease the temperature before use. Do no expose the CD to direct sunlight. ● Recordable compact discs (CD-R) may not function properly in the CD player. ● ● ● ● Do not touch the playing surface of the disc. ● Do not use 8cm discs. They may cause player damage even if using with the optional adapter. 4-16 Heater, air conditioner and audio systems