How can you effectively indicate a lane change to other drivers?

Answer: C — By using your turn signals before changing lanes

Using your turn signals before changing lanes is crucial for effective communication with other drivers. Turn signals serve as a visual cue, indicating your intentions to change lanes well in advance. This allows other road users to anticipate your movements and adjust accordingly, thereby enhancing safety on the road. When you signal, it communicates clearly that you are preparing to transition to another lane. This practice helps in preventing accidents as it minimizes the risk of surprise for other drivers. It is an essential part of defensive driving, fostering a cooperative environment on the road. While making eye contact can be helpful in certain situations, it is not a reliable method for indicating lane changes. Similarly, using a horn is inappropriate for signaling lane changes and may be distracting or alarming to other drivers. Accelerating quickly can create unsafe conditions and is not an effective way to communicate your lane change intentions. Thus, using turn signals is the most effective and safe method for indicating your lane change.