Created by automobile manufacturers, navigation discs are in-car digital video discs for use with a vehicle’s navigation system. These discs come with a new vehicle to aid the driver in finding hot spots to eat, shop and entertainment venues. Most navigation discs contain multiple gigabytes of data, so it is necessary to obtain a blank dual-layer DVD prior to burning the backup navigation disc for your automobile. Keeping a backup navigation disc can come in handy if you happen to scratch, break or even lose your original navigation aid. Writer Bio
