Disc drive vehicle having the same, and method for controlling the vehicle

A disc drive comprising:

• a disc driver that plays a safely seated optical disc, the disc driver including a disc controller that controls respective components of the disc driver and an optical pickup unit that extracts data from the safely seated optical disc;
• and
• a disc mover that moves the disc driver, wherein
• the disc driver and the disc mover are configured to share information of their respective states with each other,
• the disc driver is configured to create information indicating at least one of:
• whether an optical disc is safely seated, whether data is being extracted from a safety seated optical disc, and whether a safely seated optical disc is normal, and
• the disc controller is configured to determine, based on the respective states of the disc driver and the disc mover, at least one of:
• whether to stop a data extracting operation of the optical pickup unit and whether to withdraw the optical disc.