2009 Dodge Ram 1500 Pickup Owner Manual - Page 362

360 STARTING AND OPERATING into the PARK position from any other position and then the transfer case (if equipped) is shifted from 4WD LOCK moved out of the PARK position. This will occur even if or NEUTRAL, to 4WD LOW, the ESP system will be in this mode. the message was previously cleared. In this mode, ESP and TCS except for the "limited slip" feature described in the TCS section are turned off until the vehicle reaches a speed of 40 mph (64 km/h). At 40 mph (64 km/h) the system returns to "Partial Off" mode, described above. When the vehicle speed drops below 35 mph (56 km/h) the ESP system shuts off. ESP is off at low vehicle speeds so that it will not interfere with off-road driving but ESP function returns to provide the stability feature at speeds above 40 mph (64 km/h). The "ESP/TCS Indicator Light" will always be illuminated when ESP is off. To turn ESP on again, momentarily depress the ESP OFF switch. This will restore the normal "ESP On" mode of operation. WARNING! With the ESP switched off, the enhanced vehicle stability offered by ESP is unavailable. In an emergency evasive maneuver the ESP system will not engage to assist in maintaining stability. "ESP Off" mode is intended for off-highway or off-road use only. ESP/BAS Warning Light and ESP/TCS Indicator Light The malfunction indicator for the ESP is combined with the BAS indicator. The "ESP/BAS Warning Light" and the "ESP/TCS Indicator Light" in the instrument cluster "ESP Off" is the only operating mode for ESP in 4WD both come on when the ignition switch is turned to the LOW. Whenever the vehicle is started in 4WD LOW or ON position. They should both go out with the engine