service it ,clean plugs ,oil,,short term ! you could take buld out ,might have a fuse ,not sure
I think you may be talking about the dashboard dimmer switches.
You may well need to replace the small bulbs/lamps behind the dash.
on my 2002 picasso there is a key slot on the end of the dash located on the passenger side, open the door and you will see it, use your key to turn it off
use ignition key in passanger sideof the dash with door open to turn airbag on the light goes out
we have had problems starting our car which turned out to be a transponder fault but it flashed up engine immobilizer on the dash. the part cost about £6 but it cost £90 to have the problem diagnosed on the computer at the citroen garage!
To change the dashboard bulbs in a 2001 Citroën Xsara Picasso, first, disconnect the car battery for safety. Then, remove the dashboard panel by unscrewing any screws and gently prying it off. Once exposed, twist the bulb holders counterclockwise to remove them, replace the old bulbs with new ones, and reassemble the dashboard by reversing the steps. Finally, reconnect the battery and test the lights to ensure they work properly.
You can refer to the service and user manual on how to remove a dash pad on a 2000 Cadillac El Dorado.
Leave the key in the ignition, turn so lights on dash light up, remove the positive connection and then connect again, do this five times, no more no less, this will reset everything on the dash board, service warnings, everything will be reset to factory settings, this also works with the immobiliser.
If a spanner symbol appears on the dashboard of a Citroën Picasso, it typically indicates a need for maintenance or a service reminder. This warning could be triggered by a variety of factors, such as overdue oil changes, scheduled servicing, or other potential issues with the vehicle. It's advisable to consult the owner's manual for specific guidance and to schedule a service appointment with a qualified technician to ensure the vehicle is in good condition. Ignoring the warning could lead to more serious problems down the line.
it is possible to remove it from under the dash but difficult. Service manual says remove the dash. get more info from bonnevilleclub forum
press and hold the book symbol on the right hand side of the dash display at the top then scrowl through using the same button to change time use the bottom button when you reach the time section.
To remove the air vent on the dash of a CITROEN C4, first, gently pry off the trim surrounding the vent using a plastic trim tool to avoid damaging the dashboard. Once the trim is removed, locate and unscrew any screws securing the vent to the dashboard. Carefully pull the vent out, disconnecting any electrical connectors if applicable. Finally, ensure all clips are disengaged before fully removing the vent from the dash.