A truck driver on the Ho Chi Minh City - Long Thanh - Dau Giay highway was issued a traffic violation notice after being forced to stop due to a vehicle malfunction. Despite the emergency situation, the driver was penalized for failing to deploy warning signals. Traffic police determined the driver did not adequately alert other motorists to the stalled vehicle. Vietnamese traffic regulations require drivers to use warning triangles or other devices when stopped on a highway, even in emergency situations. The incident highlights the importance of adhering to safety protocols, even when experiencing mechanical issues. Authorities emphasize that proper warning signals are crucial for preventing secondary accidents. The driver now faces a fine for the infraction.