2004 Dodge Ram 3500 Pickup Owner Manual Diesel - Page 149

UNDERSTANDING YOUR INSTRUMENT PANEL 149 hour value. The engine hours will be displayed for a period of 30 seconds until the ignition is turned off or the engine is started. 21. LAMP OUT Light The LAMP OUT indicator in the instrument cluster alerts the driver if a defective bulb or wiring circuit is detected for headlamps, turn signal lamps, and stop lamps. 22. TOW/HAUL (Automatic Transmissions Only) The TOW/HAUL button is located at the end of the gear shift lever. This light will illuminate when the TOW/ HAUL button has been selected. 23. SERV 4WD Indicator The 4WD indicator will be illuminated whenever the 4WD mode is engaged for either the manual or electric shift 4WD systems. The SERV 4WD indicator monitors the electric shift 4WD system. If the SERV 4WD light stays on or comes on during driving, it means that the 4WD system is not functioning properly and that service is required. 24. LOW WASH Light This light comes on when the washer fluid level falls below approximately 1/4 filled. The light will remain on until fluid is added and one minute has elapsed. 25. Odometer/Trip Odometer Button Press this button to toggle between the odometer and the trip odometer display. Holding the button in resets the trip odometer reading when in trip mode. 26. Fuel Gauge Shows level of fuel in tank when ignition switch is in the ON position. 4