Question Before starting a parked vehicle, you should: Answers Check the fuel gauge, adjust the volume on the radio, and shift gears. Adjust the side mirror and make sure your heater works. Adjust the seat, adjust the mirrors, and fasten your safety belt. Explanation Walk all the way around your vehicle to check for obstacles before getting in. Before starting the engine, fasten your safety belt and make sure that your seat and mirrors are in safe positions. Take a FREE Practice Test Now This questions appears in the following tests: South Carolina Practice Test