Study for the TX DMV Written Driving Test.. Study with flashcards and multiple-choice questions. With over 500 questions. Practice the signs and driving rules. Updated for 2024. Get ready for your driving test!

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Before changing lanes, you should:

  1. Use your turn signal

  2. Flash your lights

  3. Check your rear view mirror

  4. All of the above

The correct answer is: All of the above

It's important to use your turn signal, to alert other drivers of your intended lane change. Flashing your lights is not always an appropriate or safe way to indicate a lane change. Checking your rear view mirror is also crucial to ensure there are no vehicles or obstacles in your blind spot before changing lanes. Therefore, using your turn signal, flashing your lights, and checking your rear view mirror are all necessary steps before changing lanes.