What should you do before changing lanes?

Answer: A — Check your mirrors and blind spots

Before changing lanes, it is crucial to check your mirrors and blind spots to ensure that the lane is clear and it is safe to make the maneuver. This step is vital to avoid collisions with vehicles that may be in your blind spot or in adjacent lanes. Mirrors provide an overview of the surrounding area but cannot always capture all angles, which is why checking the blind spots is essential. By ensuring both your mirrors and blind spots are clear, you can make informed decisions when changing lanes. This practice enhances safety not only for you but also for other drivers. Proper signaling follows and should be executed once it is clear that the lane change can be safely made, further indicating your intention to other road users.