PEUGEOT 508 Handbook page 169

In the following cases, deactivating the system
via the vehicle's configuration menu is advised:
- towing a trailer,
- carrying long objects on roof bars or roof
rack,
- with snow chains fitted,
- before using an automatic car wash, with
the engine running,
- before placing the vehicle on a rolling road
in a workshop,
- towed vehicle, engine running,
- following impact to the windscreen close to
the detection camera.
The system is automatically deactivated
after detecting the use of certain "space-
saver" type spare wheels (smaller
diameter).
The system is automatically deactivated
after detecting a fault with the brake pedal
switch or with at least two brake lamps.
It is possible that warnings are not given,
are given too late or seem unjustified.
Consequently, always stay in control of
your vehicle and be prepared to react at
any time to avoid an accident.
After an impact, the function automatically
stops operating. Contact a PEUGEOT
dealer or a qualified workshop to have the
system checked.
If the front bumper is to be repainted or
retouched, contact a PEUGEOT dealer
or a qualified workshop. Certain types of
paint could interfere with the operation of
the radar.
Distance Alert
It warns the driver if their vehicle is at risk of
collision with the vehicle in front, a pedestrian
or a cyclist present in their traffic lane.
Modifying the alert trigger
threshold
This threshold determines how you wish to
be alerted of the presence of a moving or
stationary vehicle in front of you, a pedestrian
or a cyclist present in your traffic lane.
The current threshold can be
modified via the touch screen's
Driving/Vehicle menu.
You can select one of three predefined
thresholds:
- "Distant",
- "Normal",
- "Close".
The last threshold selected is memorised when
the ignition is switched off.
Operation
Depending on the degree of risk of collision
detected by the system and the alert threshold
chosen by the driver, different levels of
alert can be triggered and displayed in the
instrument panel.
They take account of the vehicle dynamics, the
speed of your vehicle and the one in front, the
environmental conditions, the operation of the
vehicle (cornering, actions on the pedals, etc.)
to trigger the alert at the best moment.
Level 1 (orange): visual alert only,
signalling to you that the vehicle in
front is very close.
The message "Vehicle close" is
displayed.
Level 2 (red): visual and audible
alert, warning you that a collision is
imminent.
The message "Brake!" is displayed.
Level 3: finally, in some cases, a
haptic alert in the form of micro-
braking may be given to confirm the
risk of collision.
Driving
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