2011 Dodge Ram 1500 Crew Cab Owner Manual - Page 210

UNDERSTANDING YOUR INSTRUMENT PANEL 209 9. 4WD Auto Indicator 11. TOW/HAUL The 4WD auto indicator will be illuminated The TOW HAUL button is located on the whenever the four-wheel drive mode is autocenter stack upper switch bank. This light will matically engaged. illuminate when TOW HAUL mode is selected. 10. SERV (Service) 4WD 12. Electronic Stability Control (ESC) Activation/ The SERV 4WD light monitors the electric shift Malfunction Indicator Light - If Equipped four-wheel drive system. If the SERV 4WD The "ESC Activation/Malfunction Indicator light stays on or comes on during driving, it Light" in the instrument cluster will come on means that the four-wheel drive system is not when the ignition switch is turned to the functioning properly and that service is required. ON/RUN position. It should go out with the engine running. If the "ESC Activation/Malfunction InFor vehicles equipped with a premium cluster this indidicator Light" comes on continuously with the engine cator will display in the Electronic Vehicle Information running, a malfunction has been detected in the ESC Center (EVIC). Refer to "Electronic Vehicle Information system. If this light remains on after several ignition Center (EVIC) - If Equipped" for further information. cycles, and the vehicle has been driven several miles (kilometers) at speeds greater than 30 mph (48 km/h), see your authorized dealer as soon as possible to have the problem diagnosed and corrected. 4