2007 Chrysler Aspen Owner's Manual - Page 285

STARTING AND OPERATING 285 conditions and more wheel spin than ESP would normally allow is required to gain traction. TSC (Trailer Sway Control) is not available when the system is in the Partial Off mode. To turn ESP on again, momentarily depress the "ESP-Control OFF" Control Switch. This will restore the normal "ON" mode of operation. ESP always operates under braking, even with the switch in the OFF-position. mode by pressing the ESP Control Switch. Once the situation requiring ESP to be switched to the "Partial Off" mode is overcome, turn ESP on by momentarily depressing the "ESP Control Switch". This may be done with the vehicle is in motion. 4WD LOW Range Partial Off This is the normal operating mode for ESP in 4WD LOW. Whenever the vehicle is started in 4WD LOW or the transfer case (if equipped) is shifted from 4WD LOCK or neutral to 4WD LOW, the ESP system will be in this mode. In 4WD LOW, ESP function is desensitized until the vehicle reaches a speed of 30 mph (48 km/h). At 30 mph (48 km/h) the normal ESP stability function returns and the ESP/TCS Indicator Light" turns off. When the vehicle speed drops below 25 mph (40 km/h) the ESP system goes back to Partial Off. ESP is desensitized at low vehicle speeds in 4WD LOW so that it will not interfere WARNING! In the Partial Off mode, the engine torque reduction and stability features are desensitized. Therefore, the enhanced vehicle stability offered by ESP is unavailable. NOTE: To improve the vehicle's traction when driving with snow chains, or starting off in deep snow, sand or gravel, it may be desirable to switch to the "Partial Off" 5