User Manual - Page 185

For 2018 FIAT 500.

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While audible signals are emitted, the audio system is not
muted.
The audible signal is turned off immediately if the distance
increases. The tone cycle remains constant if the distance
measured by the inner sensors is constant. If this condition
occurs for the external sensors, the signal is turned off after
three seconds (stopping warnings during maneuvers par-
allel to walls).
Failure Indications
A malfunction of the Rear Park Assist sensors or system is
indicated, during REVERSE gear engagement, by the in-
strument panel warning icon and message appearing on
the instrument cluster display.
The warning icon is illuminated and a message
appears on the instrument cluster display. Re-
fer to Instrument Cluster Display in “Getting
To Know Your Instrument Panel” for further
information.
The sensors and wiring are tested continuously when the
ignition is in the ON/RUN position. Failures are indicated
immediately if they occur when the system is on.
Even if the system is able to identify that a specific sensor
is in failure condition, the instrument cluster display shall
indicate that the Rear Park Assist system is unavailable,
without reference to the sensor in failure condition. If even
a single sensor fails, the entire system must be disabled.
The system is turned off automatically.
Cleaning The Rear Park Assist System
Clean the Rear Park Assist sensors with water, car wash
soap and a soft cloth. Do not use rough or hard cloths. In
washing stations, clean sensors quickly keeping the vapor
jet/high pressure washing nozzles at least 4 inches (10 cm)
from the sensors. Do not scratch or poke the sensors.
Otherwise, you could damage the sensors.
Park Assist System Usage Precautions
NOTE:
Ensure that the outer surface and the underside of the
rear bumper is clean and clear of snow, ice, mud, dirt or
other obstruction to keep the Rear Park Assist system
operating properly.
Jackhammers, large trucks, and other vibrations could
affect the performance of Rear Park Assist.
Clean the Rear Park Assist sensors regularly, taking care
not to scratch or damage them. The sensors must not be
covered with ice, snow, slush, mud, dirt or debris.
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STARTING AND OPERATING 183
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