BMW Z4 Roadster, Owner'S Handbook Manual, Page: 204 / 344

Depending on the equipment version: obstacles
at the side of the vehicle that are detected by the
side ultrasonic sensors may also be reported by
the flank protection, see page
206 , function.
General
The ultrasonic sensors for measuring distances
are located in the bumpers, and if applicable on
the side of the vehicle.
Their range is approximately 2 m, 6 ft, depending
on the obstacle and environment.
An acoustic warning sounds in the event of an
imminent collision at a distance of approx. 70 cm,
27 in, from the object.
In the case of objects behind the vehicle, the
acoustic warning is given sooner, at a distance of
approx. 1.50 m, 5 ft.
Safety notes
WARNING
The system does not relieve you of your per‐
sonal responsibility to assess the traffic situa‐
tion correctly. Due to system limitations, it can‐
not respond independently and appropriately in
all traffic conditions. There is a danger of acci‐
dents. Adapt your driving style to the traffic
conditions. Observe the traffic situation and in‐
tervene actively if the situation warrants it.
WARNING
If the vehicle is travelling at high speed when
Park Distance Control PDC is activated, there
may be a delayed warning because of physical
conditions. There is a danger of injury or dam‐
age to property. Avoid approaching an object at
speed. Avoid moving off at speed while Park
Distance Control PDC is not yet active.
Overview
Button in the vehicle
Park Assistant button
Ultrasonic sensors
Ultrasonic sensors of the PDC,
for example in the bumpers.
Operating requirements
To ensure full functional capability:
▷ Do not cover sensors, for example by stick‐
ers, bicycle rack.
▷ Keep the sensors clean and unobstructed.
Switching on/off
Switching on automatically
The system switches on automatically in the
following situations:
▷ If selector lever position R is engaged while
the engine is running.
▷ Depending on the equipment version: when
approaching detected obstacles, if the speed
is below approximately 4 km/h, 2.5 mph. The
activation distance depends on the individual
situation.
Automatic switch-on when obstacles are detec‐
ted can be activated and deactivated.
Seite 204
CONTROLS
Driver Assistance Systems
204
Online Edition for Part no. xxx - X/18