Is it mandatory to carry a hazard pre-warning device in the vehicle?

A)No.
B)Yes, mandatorily a pre-warning triangle.
C)Yes.Correct
Cars, mixed-use vehicles and automobiles intended for the transport of goods with a MAM not exceeding 3,500 kg, must carry the following accessories, spare parts and tools:
- An approved high-visibility vest.
- A hazard pre-warning device (auto yellow color device with autonomous power supply (battery) that will be placed on the highest part of the immobilized vehicle ensuring maximum visibility).
- A complete spare wheel, or a temporary use one, with all the necessary tools to make the change.
- A hazard pre-warning device (auto yellow color device with autonomous power supply (battery) that will be placed on the highest part of the immobilized vehicle ensuring maximum visibility).
- A complete spare wheel, or a temporary use one, with all the necessary tools to make the change.