1. Start the car and confirm that the car condition information is normal;
2, disassemble the air conditioning outlet;
3, pull out the air conditioning control board and car information board;
4, the rubber knife pry open the navigation machine, the instrument panel plastic parts out;
5, take out the storage box and unplug the tail line, navigation disassembly is complete.
Navigation modes are:
1. Customized path retrieval mode;
2. Site setting mode;
3. Map positioning mode.
The functions of navigation are:
1. Search and processing of map data;
2, map matching;
3. Plan the walking path;
4, human-computer interaction interface;
5. Wireless communication.