Where must a driver place the reflective warning triangle after breaking down on an open road outside a built-up area in Rwanda?

1. Immediately against the rear bumper, so drivers see the triangle and the vehicle together.
2. In front of the vehicle, facing the direction of travel.
3. Well behind the vehicle, far enough back that approaching traffic sees it in time to slow and move over.
4. Propped inside the rear window of the vehicle.