2017 Citroen DS3 Problems

Engine management light came on and warning message states that there is a engine fault have repaired immediately Smell of strong ammonia from engine air vents and exhaust system Baills of white smoke from exhaust pipe Its 1.6 diesel eng...

Strange thing. The console invariably resets when listening to BBCadio 4. It also resets when using telephone hands free.

Ds3 2017 diesel in the last few weeks (since mot, maybe total coinsidence) but every few minutes the radio central console will reset itself. Strange thing is a friends 65 reg ds3 is now doing exactly the same thing... Any ideas..