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What should you do before making a lane change?

  1. Speed up to merge quickly

  2. Check mirrors and signal your intention

  3. Wait for other drivers to initiate the change

  4. Change lanes without signaling

The correct answer is: Check mirrors and signal your intention

Before making a lane change, it's vital to check your mirrors and signal your intention. This action is essential for ensuring safety on the road. When you check your mirrors, you gather information about surrounding vehicles, including those that may be in your blind spots. Signaling your intention to change lanes communicates your next move to other drivers, which helps to create a smoother and safer driving environment. Proper signaling and mirror checks enhance predictability and reduce the risk of accidents, as other road users will be aware of your intentions and can adjust their behavior accordingly. This habit is a core principle of defensive driving, emphasizing awareness and communication on the road.