Lancia Delta Owner's Handbook Manual page 123

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❍ The sensor detects objects that are not there ("echo dis-
turbance") caused by mechanical disturbances, for ex-
ample: washing the car, rain (extreme wind condi-
tions), hail.
❍ The indications sent by the sensor can also be altered
by the presence of ultrasound devices (e.g. pneumat-
ic brake systems or pneumatic drills) near the car;
❍ Parking sensor system performance can also be influ-
enced by the position of the sensors, for example due to
a change in the ride setting (caused by wear to the shock
absorbers, suspension), or by overloading the vehicle and
carrying out specific tuning operations that require the
vehicle to be lowered.
GETTING TO KNOW YOUR CAR
The ultimate responsibility when parking
and carrying out other dangerous manoeu-
vres still rests with the driver. When park-
ing, make sure that no-one is standing in the area,
especially children or animals. Parking sensors are
designed to assist drivers: in all cases, you must al-
ways pay the utmost attention during potentially
dangerous manoeuvres, even when these are carried
out a low speed.