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Page 11
Lotus Service Notes
Section MP LCD Panel A liquid crystal display (LCD) panel is provided below the instruments in order to display fuel level, coolant temperature, total mileage and trip functions. The panel is blank until the ignition is switched on. Fuel Contents Display An indication of the level fuel in the tank is displayed in the form of a bar graph at the right hand top of the LCD panel in the instrument cluster. When completely full (approximately 43.5 litres (9.6 U.K. gal), the display will show six black segments. As the fuel level falls, a white band will extend from the right to represent the empty portion. When only a single segment remains, representing approximately 5 litres, the amber low fuel tell tale will flash. Refuel at the next opportunity. Coolant Temperature Display The engine coolant temperature will be displayed at the bottom right hand corner of the panel as soon as the temperature reaches 72°C. The running temperature will fluctuate a certain amount as the operating conditions change, and during periods of idling or in heavy traffic, the temperature may rise to over 100°C, with the cooling fans switching on at half speed at approximately 98°C and at full speed at approximately 103°C. The display will flash at temperatures over 110°C in order to prompt closer monitoring of high temperatures, but as the pressurised cooling system has a boiling point of over 120°C, only if the temperature approaches this level need there be any cause for concern. If this should occur, allow the engine to idle for a few minutes whilst monitoring the temperature, and if it continues to rise, switch off and seek qualified assistance. After a heavy snowfall, ensure that the radiator cooling outlet grilles in the front body are cleared of snow before driving the car, or overheating may occur.
Odometer An odometer (total distance recorder) reading is displayed at the bottom left hand corner of the panel, and is calibrated in the same units (miles or kilometres) as is the speedometer. Trip Recorder A trip recorder is provided at the top left hand corner of the panel, calibrated in the same units as is the speedometer. In order to zero the trip display, switch on the ignition, and press for a moment (less than 1 second), the small button on the steering column shroud between the ignition switch and steering wheel. This dual function button also controls the panel illumination - see ‘Instrument & Switch Illumination’.
Fascia Switches Lighting functions are controlled by a vertical row of three push button switches mounted in the fascia outboard of the steering column. Each switch is pressed once to switch on, and pressed a second time to switch off. A symbol is positioned alongside each switch to indicate its function, and is backlit orange when the lights are switched on. Sidelamp Switch The topmost switch functions with or without ignition, and switches on the sidelamps. A tell tale in the switch button lights up green to indicate when the circuit is active. Note that the headlamps must be off before the sidelamps can be switched off. Headlamp Switch The centre switch functions with or without ignition, and switches on the headlamps together with the side- lamps if not already selected by the sidelamps switch. A tell tale in the switch button lights up green to indicate when the circuit is active. The steering column lever switch (see later) is used to select main beam or dip. Pressing the switch a second time will switch off the headlamps, but leave on the sidelamps. Trip distance Proportion of fuel remaining Odometer Coolant temperature LCD DISPLAY PANEL m253 |