If second key works perfectly then first replacing the key battery in the key that's malfunctioning, if battery does not work then have the key replaced. I you do not have a spare key. manually unlock the drivers side door with the blade before getting into the vehicle. If this allows the vehicle to start and you do not have a spare then try The touch screen of your Citroen C4 Picasso 2 switches on and off for no reason: In this situation it is highly likely that you are the victim of a short circuit. Check the condition of your fuses and connectors, if you can’t discover anything, take your motor vehicle to a motor vehicle electrician who can fix the issue. 282 Posted September 25, 2009 If you look at the back of the wireless touch pad you will see a little tiny hole. This is the reset switch. You will need to take a paper clip, or something the same size as a paper clip, put it in the hole and press the button. You will see the white Control4 screen and the keypad will reboot. 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. This happen a few days ago, which leaves me with no access to the car boot/trunk, I had to remove the locking mechanism from the inside so I could gain acces The most common causes for AC blowing hot air in Citroen C4 are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube 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. All the controls of the Citroën C4 Cactus are contained in a single screen. The 7" touch screen, with its 7 touch-sensitive 100% digital and 100% intuitive. All the controls of the Citroën Cách Vay Tiền Trên Momo.

citroen c4 screen not working