- Placing a pre-signaling triangle and using the retro-reflective collar as soon as it is outside the vehicle.
- The signal must be placed perpendicularly in relation to the pavement and the road surface, at a distance never less than 30 m from the rear of the vehicle or the load to be signaled and must be visible at a distance of at least 100 m, special attention must be paid to the visibility locations. reduced.
- Using warning lights always makes the vehicle represent danger.
The Portuguese legislation, similar to Spanish, does not prevent the placement of a yellow luminous device outside the immobilized vehicle and, therefore, the Help Flash in Portugal is a possible, comfortable and, above all, safe solution.
In Portugal, like other countries, special professional type lights have limited use and are only authorized for certain vehicles. The Help Flash is a new device not covered by traffic regulations (except in Spain) and therefore cannot be considered a special type of professional light.