BMW X1 Owner's Manual page 179

▷ For small children and animals.
▷ For persons with certain clothing, for instance
coats.
▷ With external interference of the ultrasound,
for instance from passing vehicles or loud
machines.
▷ When sensors are dirty, iced over, damaged
or out of position.
▷ Under certain weather conditions such as
high relative humidity, wet conditions, snow‐
fall, extreme heat, or strong wind.
▷ With tow bars and trailer couplings of other
vehicles.
▷ With thin or wedge-shaped objects.
▷ With moving objects.
▷ With elevated, protruding objects such as
ledges or cargo.
▷ With objects with corners and sharp edges.
▷ With objects with a fine surface structure
such as fences.
▷ For objects with porous surfaces.
▷ If cargo protrudes.
▷ Low objects already displayed, for instance
curbs, can move into the blind area of the
sensors before or after a continuous tone
sounds.
False warnings
The system may issue a warning under the fol‐
lowing conditions even though there is no obsta‐
cle within the detection range:
▷ In heavy rain.
▷ When sensors are very dirty or covered with
ice.
▷ When sensors are covered in snow.
▷ On rough road surfaces.
▷ On uneven surfaces, such as speed bumps.
▷ In large buildings with right angles and
smooth walls, for instance in underground ga‐
rages.
Online Edition for Part no. 01402631131 - X/19
Driving comfort
▷ In automatic vehicle washes.
▷ Due to heavy exhaust.
▷ Due to other ultrasound sources, for instance
sweeping machines, high pressure steam
cleaners or neon lights.
The malfunction is signaled by a continuous tone
alternating between the front and rear speakers.
As soon as the malfunction due to other ultra‐
sound sources is no longer present, the system
is again fully functional.
To prevent false alarms, switch off automatic
PDC activation on obstacle detection, for in‐
stance in automatic vehicle washes.
Malfunction
A Check Control message is displayed.
The range of the sensors is shown as a shaded
area on the Control Display.
PDC has failed. Have the system checked by a
dealer's service center or another qualified serv‐
ice center or repair shop.
Rearview camera
Concept
The rearview camera provides assistance in
parking and maneuvering backwards. The area
behind the vehicle is shown on the Control Dis‐
play.
Safety information
Warning
The system cannot serve as a substitute for the
driver's personal judgment in assessing the
traffic conditions. There is a risk of accident.
Adjust driving style to traffic conditions. Watch
traffic and vehicle surroundings closely and ac‐
tively intervene where appropriate.
CONTROLS
179