Question Before changing lanes: Answers Use your turn signal. Check your side and rearview mirrors. Check for other drivers who may be moving into the same lane as you. All of these. Explanation Before changing lanes, check your side and rearview mirrors for traffic approaching from behind. Use your turn signal to let other drivers know you plan to change lanes. Check for other drivers who also may be moving into the same lane. Pass your DMV Written Test with flying colors Take me to the cheat sheet Virginia This questions appears in the following tests: Virginia Practice Test 12 Virginia Practice Test 18