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Upgrade Top Display from early to late 2016
Final Update for everyone, I have now managed to get all features of the NAC working on the car for a total net upgrade cost of £250 including the NAC and the screen. In my opinion, this is quite good...
Thanked 3 times
Posted by EJCitroen on 23 February 2021

No longer a C4 Picasso owner.
The C4 Picasso has now gone. I may post further about the sale in due course as I have had some issues.

The car went with just over 64,000 miles on the clock. It has had just about every common issue, ...
Thanked 3 times
Posted by routemaster1 on 29 October 2021

Economy Mode
Yeah been caught out like this with other cars. I now proactively replace battery at 5 year mark to prevent getting stranded at a bad time!
Thanked 2 times
Posted by c4-2020-pmd on 10 February 2021

Fix panoramic sunroof blind
I did it!

Everything is working as it should, and I hope it will work for a long time, given that these parts aren't OEM.

Anyway, I'd like to add that there is a way to remove the cables completely, and...
Thanked 2 times
Posted by Andreja on 11 December 2020

C4 with EGS - Fixed the juddering when taking off
This weekend was spent calibrating the EGS gearbox. I recently talked to the garage about the juddering at take-off and they said that I should calibrate the gearbox. Since I have a Lexia I could do t...
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Posted by Lars of Sweden on 19 July 2010

C4 Grand Picasso passenger dashboard cupboard
Hi I had this problem with my wifes c4 Grand picasso. Top box on passenger side doesn't stay closed. Faced with a load of money to replace it I thought I would have a go myself.. Fixed it yay!

here is...
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Posted by richardthestag on 05 August 2011

Which Oil
maverick54 wrote ...

Looking at doing an oil and filter change on my 2016 GP 1.6 Blue HDI Diesel

Getting a bit confused over which oil speifications I should be buying.

Any recomendations please as it l...
Thanked 2 times
Posted by skorpion on 01 May 2021

Grand C4 Picasso Workshop Manual?
Not a service/workshop guide, but here are some parts websites that also show the diagrams, which may help how things are connected for dismantling/rebuilding.

- Click Here -


- Click Here -
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Posted by danlat1415 on 09 May 2021

C4 1.6 VTi remap?
There's not much a remap can do to an N/A engine, usually needs a decemnt amount of money thrown at it to implrove the inlet and exhaust flow. Probably cheaper buuyng a more powerful car.
Thanked 2 times
Posted by vexorg on 24 May 2021

Touchscreen keeps restarting
What better way to spend a grey Sunday afternoon!! Having done more research I found the latest(?) SMEG firmware version (SMEG5.43.A.R2 CD26482) on a New Zealand website (see download link below) - co...
Thanked 2 times
Posted by fairway on 13 December 2020

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