The ecu, screen, welcome lights, auto headlights when dark all come on fractionally before the starter motor cranks over, so when that happens there is a voltage drop and I suspect the screen sees that and reboots. Once the alternator is giving its 14.3 or 14.5 volts it should all be stable so that's not the problem here. There are two possibilities when this happens. Firstly, the entire unit can be replaced. This, however, can prove expensive because of the cost of some of the components of the Citroen C4 LCD I have C4 GP 2008, I changed the car fob battery and tried to re-sync as most people mentioned above. But it is still not working and I still have the "remote control battery flat" on the dash screen. However, before changing the battery the fob was functioning like locking and unlocking the door, but now it only starts the engine. Not sure Assuming you checked the washer fluid level, turn your key to on and press the washer button. You should hear the pump buzzing. If you do, and you now have a small puddle of water under the car, the fuse and pump are ok and you have a cracked or broken water line to the nozzles. If you don't, the pump may be bad, It's rarely the fuse. To resolve this issue, just go to the settings of your GPS and change the date manually. GPS Citroen C4 mapping problems: In this situation, if your GPS gives you bad information, you will have to update the GPS of your Citroen C4, don’t think twice to seek advice from our article on this subject matter to find out the procedure to stick to. 47 posts · Joined 2015. #1 · May 10, 2016. Not sure if others have seen this, but I'm on the verge of taking my Cactus in to try and persuade the dealer to replace the touch screen. Of late with the warmer weather it seems to have become even flakier than usual. I press in one place and a button is activated several inches away or just ignored. The reason for this is usually that the pipes to the nozzles for the front screen have become kinked in the bonnet hinges when you close the bonnet, preventing the screenwash from getting to the nozzles. Have a look. If I'm right, try to find a way of relieving the kink. It may be that a curved bit of plastic designed to do this has dropped off The reason your headlamp adjuster isn't working is bizarely because the bulb in the ashtray has blown. I can just imagine how much head scratching it took before that was discovered the first time round! Views. 4692 (Unique 2515) Member Rating : 10.0 - 2 votes. FAQ Posted by. MysDlEE.

citroen c4 screen not working