What is the purpose of a warning triangle?

Answer: B — To alert other road users of a breakdown

The purpose of a warning triangle is to alert other road users of a breakdown. When a vehicle is immobilized on the roadway due to mechanical failure or other emergencies, placing a warning triangle at a sufficient distance behind the vehicle helps to ensure the safety of both the driver and other motorists. It serves as a visible signal that warns approaching drivers of the potential hazard ahead, allowing them time to react appropriately, slow down, and navigate safely around the stationary vehicle. This safety measure is particularly important in low-visibility conditions, such as nighttime or inclement weather, where the risk of collision with a disabled vehicle could be significantly heightened without such warnings. Proper use of a warning triangle is an essential part of road safety regulations in many countries, including Germany, emphasizing the responsibility of drivers to protect themselves and others on the road.