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The requirement for emergency warning devices to be used at all times — both during the day and at night — is aimed at ensuring maximum visibility and safety in emergency situations. The presence of these warning devices enhances the awareness of other drivers and encourages them to steer clear of the area where a vehicle encounter is occurring.

Using emergency warning devices only during limited times, such as solely at night or during the day, could lead to dangerous misunderstandings about the situation. For instance, visibility conditions can vary greatly regardless of the time of day, and emergencies can happen at any moment. Furthermore, confining the use of these devices to weekends neglects other busy days when emergencies may occur.

Thus, utilizing these devices continuously, regardless of time or day, is crucial for maintaining safety on the roads and effectively communicating the presence of a hazardous situation to other road users.