The largest English language online Citroen C4 and DS4 Owners Help and Support site incorporating C4owners.co.uk C4owners.com C4GP.org and DS4owners.org Forums:: C4 Picasso and Grand Picasso - PRE 2013 only :: C4 Picasso Problems and issues you have to put the key into the contact and, without turning it, press and keep pressing button Today we will see, in this video tutorial, how to remove and replace the injectors of the Citroen C4 Picasso, with 1.6 HDI engine. First we open the engine hood and remove the upper engine protection; after which we unscrew the screws of the air filter cover to remove it, also disconnecting the suction sleeve, as shown in the video. This is a short video to show you how to replace the key fob battery in this Citroen C4 Picasso remote key fob, I hope this video helps you today.This key f First of all, should I be using Diagbox or Lexia for my Citroen C4 gp from 2015 and should the ignition or engine be on or off (I tried all options) When I choose Lexia and run the global test, I get dialogue "NO" with BSI, dialogue "YES" for injection/ignition and "?" under fault and no communication for deflation detection. Thank you for watching! If you enjoyed the video please hit that like button!Subscribe if you haven't already! See answer (1) Best Answer. Copy. You can reset the immobilizer on a Citroen C4 in one easy step. Simply insert the key into the ignition and turn it very slowly. Wiki User. ∙ 9y ago. This .

citroen c4 grand picasso key reset