Fiat DOBLO 2016 Owner's Handbook Manual page 141

OPERATION WITH
TRAILER
Parking sensor operation is
automatically deactivated when the
electric cable plug of the trailer is
inserted into the vehicle tow hook
socket. The sensors are automatically
reactivated when the trailer's cable plug
is removed.
IMPORTANT
If you wish to leave the tow hook fitted
without towing a trailer, it is advisable to
contact a Fiat Dealership for the
relevant system update operations
because the tow hook could be
detected as an obstacle by the central
sensors.
GENERAL WARNINGS
115)
When parking, take the utmost care
over obstacles that may be above or
under the sensor.
Sometimes, objects located very
near the rear of the vehicle are not
detected and could therefore damage
the vehicle or be damaged themselves.
The following conditions may influence
the performance of the parking
assistance system:
Reduced sensor sensitivity and a
reduction in the parking assistance
system performance could be due to
the presence on the surface of the
sensor of: ice, snow, mud, thick paint.
The sensor may detect a non-
existent obstacle (echo noise) due to
mechanical noises, for example when
washing the vehicle, in case of rain,
strong wind, hail.
The signals sent out by the sensors
can be altered by dirt, snow or ice
deposited on the sensors or by
ultrasound systems (e.g. truck
pneumatic brakes or pneumatic drills)
near the vehicle.
The performance of the parking
assistance system may also be affected
by the position of the sensors. For
example by a change in the ride setting
(caused by the wear of the shock
absorbers, suspension), changing the
tyres, overloading the vehicle and
carrying out specific tuning operations
that require the vehicle to be lowered.
Detection of obstacles in the upper
part of the vehicle (particularly in the
case of vans or chassis cabs) may not
be guaranteed because the system
detects obstacles that could strike the
lower part of the vehicle.
The parking sensors work properly
with the swing doors closed.
If they are open, they can cause the
system to send false signals: always
close the rear doors.
Do not apply stickers to the sensors.
WARNING
114) The sensors must be clean of mud,
dirt, snow and ice in order for the system
to work. Be careful not to scratch or
damage the sensors while cleaning them.
Avoid using dry, rough or hard cloths.
The sensors must be washed using clean
water, with the addition of car shampoo
if necessary. When using special washing
equipment such as high pressure jets or
steam cleaning, clean the sensors very
quickly keeping the jet more than 10 cm
away.
115) Parking manoeuvres, however, are
always the driver's responsibility. While
carrying out these manoeuvres, always
make sure that no people (especially
children) or animals are in the area
concerned. The parking sensor is designed
to assist drivers, who must still never
allow their attention to lapse during
potentially dangerous manoeuvres even if
performed at low speed.
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