Parking sensors

[snapdragon]

The new one will probably be in CP (component protection mode).
This is like the radio codes you had in the old days when you take a radio out of one car and put it in another.
Sadly only the dealer can remove it and often require some documentation about ownership of your car and a receipt or V5 from the previous car or evidence it was scrapped (such as via DVLA website).
It is usually cheaper if you combine it with something else like an MOT.