INCarAudioSource.sourceHardDrive A hard drive source. Declarationcase sourceHardDrive See AlsoConstantsINCarAudioSource.sourceUnknownINCarAudioSource.sourceCarPlayINCarAudioSource.sourceiPodINCarAudioSource.sourceRadioINCarAudioSource.sourceBluetoothINCarAudioSource.sourceAUXINCarAudioSource.sourceUSBINCarAudioSource.sourceMemoryCardINCarAudioSource.sourceOpticalDrive