After that, HUD starts to scan the car communication treaty, the central shows
the current communication treaty. The first number represents: 1 treaty
(ISO9141-2), 2.treaty (ISO15765), 3 treaty (ISO14230), the second number
represents the sub-treaty of the treaty, for example, “1…1” represents the first
kind of communication treaty of ISO9141-2 is under scanning.
When the scanning is finished, if it has successfully scanned the matched
communication treaty, "888" will be showed at the lower left corner. The HUD
will save communication information automatically and start working.