Open bonnet and remove positive battery clamp, fuse box cover, fuse panel cover, fuse panel (lay over to one side) and battery cover. Remove air hose to airbox. Unclamp negative battery clamp. Undo M6 battery retaining bolt and remove clamp. Remove battery. Also check your battery condition, a 57 plate original battery will now be coming to the end of it's expected life, has been know to throw up errors if battery voltage is too low (even with engine running the battery can pull down the voltage down if it's failing. usually an independent car spares will check for free. Tom 1. Pull up on the grey lever to fold down the back rest of the back seat. 2. Pull up on the red lever and move the folded seat up and at the same time pull it out of the hinges. Reverse steps to Passenger compartment. Fuse box is located to the left of the driver under the dashboard. Access to them is closed by a decorative cover. In order to open this cover, you need to: release the latches, for which pull it by the upper part, then remove the cover by turning the 2 bolts 1/4 turn, and fold the box. Re: Grand C4 Picasso 2015 - Electric handbrake stuck on. by RichardW » Wed Mar 31, 2021 5:56 am. Assuming the engine will start, just start it and leave it run for a few minutes, this will stabilise the battery voltage enough to see if that is the issue. Seems unlikely to me - a wiring fault or failure of one of the actuators is more probable. Hi all, when I last looked under the cover of the battery top fusebox of our 2012 B7 C4, all I saw was various Maxi and other fuses. So a bit like previous posters, all that should be required is removal of fuses (having first disconnected battery terminal), cleanup of any corrosion, lubrication with Ferrosol or similar and reassembly. This is the brand new style of key from Citroen and Peugeot. It's been introduced for the new shape Citroen Picasso is a proximity, or smart key. To buy a ne 16. Odd electrical problems caused by wrong battery disconnection procedure. If you need to disconnect the battery and not do a BSI reset procedure, I have found the following has not given me any problems on a 2004 and 2007 C5 and a 2003 C3: - remove the ignition key from the car - open the bonnet - wait a few minutes for the BSI to shut down f9YAUy.

c4 grand picasso battery removal