This 2016 Citroen C4 Picasso 1.6 Diesel came in for a service with the AdBlue warning showing. In this Video I show you how to go about filling the AdBlue tank. Abit more about AdBlue : https://www.parkers.co.uk/car-advice/2016/what-is-adblue-and-what-does-it-do-for-your-car/ https://www.rac.co.uk/drive/advice/emissions/adblue/ Please watch the other videos on the channel. http://www.youtube.com/c/OneAuto and subscribe to keep up to date with […]