AW: The microSD card reader on the front of the Z-E4626 is designed exclusively for the operation of GPS navigation software and Gracenote functions. Avoid removing the microSD card during active route guidance or/and when device is in navigation mode. Use of the microSD card reader for playing music or video file playback is not intended nor provided for and therefore not possible. The Gracenote function can only be used with an inserted navigation microSD card. If navigation microSD card is not present in the device, malfunctions in Media playback mode may result.