BMW M4 COUPE Owner's Manual page 131

If the distance to a detected object is less than
approx. 10 inches/25 cm, a continuous tone is
sounded.
With front PDC: if objects are located both in
front of and behind the vehicle, an alternating
continuous signal is sounded.
Volume
The ratio of the PDC signal tone volume to the
entertainment volume can be adjusted.
1. "Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Volume settings"
4. "PDC"
5. Turn the controller until the desired setting
is selected.
6. Press the controller.
Settings are stored for the profile currently
used.
Visual warning
The approach of the vehicle to an object can
be shown on the Control Display. Objects that
are farther away are already displayed on the
Control Display before a signal sounds.
A display appears as soon as Park Distance
Control (PDC) is activated.
The range of the sensors is represented in the
colors green, yellow and red.
When the image of the rearview camera is dis‐
played, the switch can be made to PDC:
"Rear view camera"
System limits
Safety information
WARNING
The system can react incorrectly or not
at all due to the system limits. There is a risk of
accidents or risk of property damage. Observe
Online Edition for Part no. 01 40 2 974 597 - VI/16
Driving comfort
the information regarding the system limits
and actively intervene, if needed.◀
Limits of ultrasonic measurement
Ultrasonic measurements might not function in
the following situations:
▷ For small children and animals.
▷ For persons with certain clothing, e.g.,
coats.
▷ With external interference of the ultra‐
sound, e.g., from passing vehicles or loud
machines.
▷ When sensors are dirty, iced over, dam‐
aged or out of position.
▷ Under certain weather conditions such as
high relative humidity, rain, snowfall, ex‐
treme 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, e.g., 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 ob‐
stacle within the detection range:
▷ In heavy rain.
▷ When sensors are very dirty or covered
with ice.
▷ When sensors are covered in snow.
Controls
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