Under the Albanian Road Code, if a heavy goods vehicle breaks down on an interurban road or motorway, at what minimum distance behind the vehicle must the reflective emergency warning triangle (trekëndëshi i rrezikut) be positioned?

1. At least 5 meters behind the bumper
2. At least 50 meters behind the vehicle, set so following traffic picks it up from roughly 100 meters
3. Directly on top of the truck cab roof
4. Inside the passenger seat