Fiat 500X Owner's Handbook Manual page 131

If the button is pressed with a system
failure, the LED flashes for about 5
seconds, then it stays on constantly.
When the ignition device is set to MAR
the Park Assist system keeps the last
status when the engine was switched
off (activated or deactivated) in its
memory.
After having been switched off,
the Park Assist system will stay in
this condition until the following
engagement, even if the ignition device
is switched from MAR to STOP and
then again to MAR.
The use of wheels of a different size to
those at the time of vehicle purchase
could affect the system and prevent
correct operation.
System on activation/deactivation
(versions with 4 sensors)
Activation
The system is automatically activated
when reverse is engaged.
Deactivation
The system is automatically deactivated
whenever a gear other than reverse is
engaged.
System on activation/deactivation
(versions with 8 sensors)
Activation
The system, when it is on, is
automatically activated in the following
conditions:
when a forward gear is selected
(versions with manual transmission)
or D (Drive) position (versions with
automatic transmission/dual clutch
automatic transmission);
or
when reverse gear is selected
(versions with manual transmission) or
R position (versions with automatic
transmission/dual clutch automatic
transmission);
or
when the manual gear stick
is in neutral or the automatic
transmission/dual clutch automatic
transmission lever is in N (neutral)
position and the car is moving. The
system stays on in case of movement
(either forwards or backwards).
Deactivation
The system is automatically deactivated
in the following conditions:
if a gear other than reverse is
engaged, the rear sensors are
deactivated, while the front sensors
remain active until 15 km/h are
exceeded;
or
at speeds higher than 11 km/h with
reverse engaged (in this case, the LED
on the button on the instrument panel
switches on);
or
when with the car standing the
manual gear stick is in neutral or the
automatic transmission/dual clutch
automatic transmission lever is in P
(park) position.
Operation with a trailer
Versions with 4 sensors
The operation of the sensors is
automatically deactivated when the
trailer electric cable plug is inserted in
the tow hook socket of the car. In this
case, the LED on the button on the
dashboard fig. 107 is on. The sensors
are automatically reactivated when the
trailer's cable plug is removed.
Versions with 8 sensors
The operation of the rear sensors is
automatically deactivated when the
trailer's electric cable plug is inserted in
the tow hook socket of the car, while
the front sensors stay active and can
provide acoustic and visual warnings.
In this case, the LED on the button
on the dashboard fig. 107 stays off.
The rear sensors are automatically
reactivated when the trailer's cable plug
is removed.
IMPORTANT NOTES
Some conditions may influence the
performance of the parking system:
reduced sensor sensitivity and a
reduction in the parking assistance
system performance could be due to
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