How to upgrade Freescale car navigation in 20 18: First, take out the map navigation memory card, back up the original data information on the computer, and restore the memory card set in the factory after the backup data is completed. 2. Go to Khalid official website to download the upgrade data file (ensure that the data information is saved in the root directory of the memory card website). Third, reload the memory card into the website to navigate and start. At this time, the navigation bar of Kay LiDE will get it by itself and be compatible with the corresponding upgrade data information.