(1) Driving at night, no street lights, poor lighting; (low beam lamp)
(2) Encountering non-motor vehicles on narrow roads at night; (low beam lamp)
(3) follow the car at close range in the same direction at night; (low beam lamp)
(4) Meet a motor vehicle at night (low beam)
(five) through the arch bridge and crosswalk at night; (double flashing)
(6) Passing through sharp bends and steep slopes at night; (double flashing)
(seven) at night through the intersection without traffic lights; (double flashing)
(8) The road breaks down at night, which hinders traffic and makes it difficult to move. (Width indicator light, hazard warning light)
(9) Driving in foggy days (fog lights, danger warning lights)
(Summary: When using the low beam, as long as the voice does not clearly say "switch the low beam to the high beam", it is a double flash. )
Hope to adopt, thank you.