2009 Toyota Tundra Owners Manual - Page 347

3-2. Using the audio system n Discs that can be used Discs with the marks shown below can be used. Playback may not be possible depending on recording format or disc features, or due to scratches, dirt or deterioration. n MP3 and WMA player protection feature To protect the internal components, playback is automatically stopped when a problem is detected while the MP3 and WMA player is being used. n If discs are left inside the MP3 and WMA player or in the ejected position for extended periods Discs may be damaged and may not play properly. n Lens cleaners Interior and exterior features 3 Do not use lens cleaners. Doing so may damage the MP3 and WMA player. n MP3 and WMA files MP3 (MPEG Audio LAYER3) is a standard audio compression format. Files can be compressed to approximately 1/10 of their original size by using MP3 compression. WMA (Windows Media® Audio) is a Microsoft® audio compression format. This format compresses audio data to a size smaller than that of the MP3 format. This format compresses audio data to a size smaller than that of the MP3 format. There is a limit to the MP3 and WMA file standards and to the media/formats recorded by them that can be used. 319