Hi..there thanks for getting back.. Ok..Im not sure what steps you have taken already via your manual as you dont say or what steps you have done upto to date..But yes it is correct that doors/boot should close once the vehicle has exceeded above or over 6mph roughly so you shouldn't be able to open the doors at all when this features activated when and above that speed - there is a way it can I loaded up my Citroen C4 yesterday morning for the school run, only to find my boot wouldn't open when we reached the school, and hasnt done since. Ive unlocked it from inside using a screwdriver. Tried to lock the car by the central locking, but it wouldn't lock, which makes me think its not a faulty sensor as it 'sensed' the boot was open. Joined: Aug 07 2006. Location: Northumberland. Never had a problem with mine not being recognised in 4.5 years and never had to change a battery either. Sounds like a problem with the immobiliser. Some early Coupe's and Hatches had to have the immobiliser changed under warranty for a similar issue to what your describing.
Joined: Aug 07 2015. Location: Hampshire. I've read reports of rear spoiler cracking on the C4GP, but today I found this when cleaning my 2015 C4P. The crack is in the horizontal surface at the right hand side of the spoiler. I know I haven't caused it by misuse, so I suspect a design fault in the moulding.
Push the backrest upper lateral button and fold down the rear seat backrest. Then go into the trunk and take out your set of keys. answer. Yes, you can remove the back seat and access the trunk from car inside. The rear seat is split 60/40 and folds down for carrying even more stuff. LEDs are generally brighter, longer lasting and don't produce a sickly yellow light. I've upgraded all of my torches to LEDs, but my DS4 came with an incandescent torch. Something must be done! According to my stash of brochures, this applies to the following: C4 mk2 Exclusive. C4 Picasso mk2 Exclusive & Exclusive+. . 180 135 305 58 18 199 121 125 210

citroen c4 picasso boot wont open