UNIVERSAL SYMBOLS As a guide to the operation of your vehicle, various universal symbols have been utilized on the instruments and controls. The symbols are shown below with an indication of their meaning. M Safety Alert Symbol L Lift Cylinder-Retract Diesel Fuel Lift Cylinder-Extend Hourmeter/Elapsed Operating Hours Lift Cylinder-Float Engine Coolant-Temperature Hazard Warning Lights Parking Brake Master Lighting Switch Brake Fluid & Parking Brake Audible Warning Device Battery Charging Condition Fast Engine Oil-Pressure Slow Turn Signal/Hazard Lock Engine-Stop Unlock Engine-Run Starter Control Diesel Preheat/Glow Plugs(Low Temperature Start Aid) Differential Lock Differential Lock Hold