Opel 2015 Astra Owner's Manual page 200

198 Driving and operating
When the system is deactivated, the
LED in the button extinguishes.
Additionally, Park Assist Off pops-up
in the DIC when the system is
deactivated manually.
Fault
In the event of a fault in the system or
if the system does not work due to
temporary conditions, e.g. ice
covered sensors, control indicator
r illuminates or a message is
displayed in the DIC.
Vehicle messages 3 127.
Control indicator r 3 117.
Front-rear parking assist
9 Warning
The driver bears full responsibility
for the parking manoeuvre.
Always check the surrounding
area when driving backwards or
forwards while using parking
assist system.
The front-rear parking assist
measures the distance between the
vehicle and obstacles in front and
behind the vehicle. The system gives
acoustic signals and display
messages.
The system has four ultrasonic
parking sensors each in the rear and
front bumper.
It uses two different acoustic warning
signals for the front and rear
monitoring areas, each with a
different tone frequency. The signal
for front obstacles sounds via the
front speakers, for rear obstacles it
sounds from the rear of the vehicle.
Parking assist button and operation
logic
Front-rear parking assist is equipped
with button r. If the vehicle is
additionally equipped with advanced
parking assist (see the following
separate description) the system is
equipped with button D. In this
case, both systems will be operated
by D.
Short press of r or D deactivates
or activates the front parking assist.
Long press of D (approx.
one second) activates or deactivates
the advanced parking assist.