When is it necessary to use your turn signals?

Answer: A — Before changing lanes or making turns

Using turn signals is essential before changing lanes or making turns, as it communicates your intentions to other drivers on the road. This practice enhances safety by ensuring that other road users are aware of your movements, reducing the likelihood of accidents. Proper use of turn signals allows for smoother traffic flow and is a fundamental part of defensive driving. This is especially important because not signaling can lead to misunderstandings among drivers about your actions, which could result in collisions. The other choices presented do not encapsulate the necessity of using turn signals in all driving situations. For example, signaling only at night or when police are present would confuse other drivers and increase risks, making these practices unsafe and insufficient. Additionally, considering turn signals as optional neglects the responsibility drivers have to communicate their actions, which is critical for everyone’s safety on the road.