No, Peugeot 408 doesn't have Collision Warning.
TBC
11 other Peugeot models
No, Peugeot 408 doesn't have Hill Start Assist.
No, Peugeot 408 isn't available in Screen Size(inch).
No, Peugeot 408 doesn't have Seat Features(Passenger).
No, Peugeot 408 doesn't have Speakers.
No, Peugeot 408 isn't available in Folding Wing Mirrors.
No, Peugeot 408 isn't available in Bluetooth.
No, Peugeot 408 doesn't have Auto Headlamps.
Here are the Model and variants of Peugeot 408:
No, Peugeot 408 doesn't have Steering Adjustment Electric.
No, Peugeot 408 doesn't have CD.