PEUGEOT 3008 Handbook page 566

Driving
Where the speed of your vehicle is too
high approaching another vehicle, the first
level of alert may not be displayed: the
level 2 alert may be displayed directly.
Important: alert level 1 is never displayed
when the "Close" trigger threshold has
been selected.
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, or a
pedestrian present in your traffic lane.
The current threshold can be modified via the
vehicle configuration menu.
You can select one of three thresholds:
- "Distant",
- "Normal",
- "Close".
The last threshold selected is kept in memory
when the ignition is switched off.
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Intelligent emergency
braking assistance
If the driver brakes, but not sufficiently to avoid
a collision, this system will supplement the
braking, within the limits of the laws of physics.
This assistance will only be provided if you
press the brake pedal.
Active Safety Brake
This function, also called automatic emergency
braking, aims to reduce the speed of impact or
avoid a frontal collision with your vehicle where
the driver fails to react.
Using a radar and a camera, depending on
the version, this function acts on the vehicle's
braking system.