HT220 Operator’s Manual Controls - 25 Center Console CMW Item Description Notes 2. Engine ignition switch To start engine, insert key and turn clockwise. To stop engine, turn counterclockwise. 3. Low hydraulic fluid test switch To check for low hydraulic fluid, move to down position. Switch is normally centered. 4. Light switch To turn on lights, move to up position. To turn off lights, move to down position. 5. Horn To sound horn, press.