User Manual - Page 240

For 2017 500L.

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NOTE: To improve the vehicle’s traction when driving
with snow chains, or when starting off in deep snow,
sand, or gravel, it may be desirable to switch to the
“Partial Off” mode by momentarily pushing the “ESC
OFF” button. Once the situation requiring “Partial Off”
mode is overcome, turn ESC back on by momentarily
pushing the “ESC OFF” button. This may be done while
the vehicle is in motion.
WARNING!
When in “Partial Off” mode, the TCS functionality
of ESC (except for the limited slip feature described
in the TCS section) has been disabled and the “ESC
Off Indicator Light” will be illuminated. When in
“Partial Off” mode, the engine power reduction of
TCS is disabled, and the enhanced vehicle stability
offered by the ESC system is reduced.
Electronic Roll Mitigation (ERM)
This system anticipates the potential for wheel lift by
monitoring the driver’s steering wheel input and the
speed of the vehicle. When ERM determines that the
rate of change of the steering wheel angle and vehicle’s
speed are sufficient to potentially cause wheel lift, it
then applies the appropriate brake and may also reduce
engine power to lessen the chance that wheel lift will
occur. ERM will only intervene during very severe or
evasive driving maneuvers.
ERM can only reduce the chance of wheel lift occurring
during severe or evasive driving maneuvers. It cannot
prevent wheel lift due to other factors, such as road
ESC Off Switch
238 STARTING AND OPERATING
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