Question When traveling down a steep grade, you switch into a lower gear: Answers Before beginning the grade. When you have already started the grade. As far down the grade as possible. Explanation You should shift your vehicle's transmission into a low gear before staring a downhill grade. Be prepared for gravity to increase your vehicle's speed when traveling downhill. Take a FREE Practice Test Now This questions appears in the following tests: Michigan Knowledge Test Class B , Nevada Knowledge Test Class B ,