Advices of manufacturers,

Because warranty of GPS Navigation System do not cover SD card unit, manufacturer advise you:

- After buying the device, make a copy of the SD card contents on hard drive of your computer and then make DVD copy. In that way you will have copy of Sygic navigation program in case of SD card damage and needs of formatting.

- Keep follows this characteristic performing the formatting of SD card:

1. Used format of SD card is FAT32 - you can use and 4 GB SD card;