Answer:
flagged
Step-by-step explanation:
Flagging reflective triangles behind your car when its broken down is one of the rules required to follow when you are in such scenario. It educates the other potential drivers ahead that there is something work, or work in progress on a car or caution, work is been done on a car, it is a sign to pre inform other drivers of the situation one might be facing along the road as cars or drivers drive along to prevent accidents.