What is the purpose of using turn signals?

Answer: A — To inform other drivers of your intention to change direction

The purpose of using turn signals is primarily to inform other drivers of your intention to change direction. This communication is crucial for ensuring safety on the road, as it allows other vehicles and road users to anticipate your movements, promoting smoother traffic flow and reducing the risk of accidents. By signaling your intent to turn or change lanes, you provide others with the information they need to respond appropriately, whether that means slowing down, adjusting their position, or preparing to give you space. The other options do not relate to the core function of turn signals. Activating the horn, for example, serves a different purpose, mainly for alerting other drivers in emergencies. Flashing headlights is typically used to indicate other messages, like warning someone or requesting right of way, and signaling pedestrians to cross is not a function of turn signals; instead, this is usually done using crosswalks and traffic signals. Hence, the correct answer highlights the essential safety role that turn signals play in driving.