INCarAudioSource.sourceMemoryCard A memory card source. Declarationcase sourceMemoryCard See AlsoConstantsINCarAudioSource.sourceUnknownINCarAudioSource.sourceCarPlayINCarAudioSource.sourceiPodINCarAudioSource.sourceRadioINCarAudioSource.sourceBluetoothINCarAudioSource.sourceAUXINCarAudioSource.sourceUSBINCarAudioSource.sourceOpticalDriveINCarAudioSource.sourceHardDrive