Question When looking under your vehicle's hood during a pre-trip inspection, you should: Answers Use the parking brakes and/or chock blocks. Leave the vehicle in a low gear. Remove the battery. Disconnect the radiator. Explanation Before inspecting under a vehicle's hood, make sure the parking brake is engaged and/or the wheels are properly chocked. Take a FREE Practice Test Now This questions appears in the following tests: West Virginia Knowledge Test Class A , Mississippi Knowledge Test Class B , South Carolina Double , Pennsylvania Tank ,