2009 Dodge Ram 1500 Pickup Owner Manual - Page 360

358 STARTING AND OPERATING The ESP system has multiple operating modes depending on vehicle type: Two-Wheel Drive (2WD) or FourWheel Drive (4WD). Four-wheel drive vehicles may be equipped with either a four-mode position (2WD/4WD LOCK/4WD LOW/NEUTRAL) or a five-mode position (2WD/4WD AUTO/4WD LOCK/4WD LOW/ NEUTRAL) transfer case. If you have a four-wheel drive vehicle, and want to determine which transfer case is on your vehicle and how to operate it, refer to the "Four Wheel Drive Operation" in this section. equipped) is shifted from 4WD LOW or Neutral, back to 4WD LOCK or 4WD AUTO, the ESP system will be in this mode. This mode should be used for almost all driving situations. ESP should only be turned to "Partial Off" or "ESP Off" for specific reasons as noted below. ESP Partial Off This mode is entered by momentarily depressing the ESP OFF switch. When in ЉPartial OffЉ mode, the TCS portion of ESP, except for the "limited slip" feature described in the TCS section, has been disabled and the ЉESP/TCS Indicator LightЉ will be illuminated. All other stability All Two-Wheel Drive Vehicles and Four-Wheel features of ESP function normally. This mode is intended Drive Vehicles in 2WD, 4WD AUTO, or 4WD to be used if the vehicle is in deep snow, sand, or gravel LOCK Modes Can Choose the Following ESP conditions and more wheel spin than ESP would norOperating Modes: mally allow is required to gain traction. To turn ESP on ESP On again, momentarily depress the ESP OFF switch. This This is the normal operating mode for ESP in 2WD/4WD will restore the normal "ESP On" mode of operation. AUTO/4WD LOCK modes and in 2WD vehicles. Whenever the vehicle is started or the transfer case (if