Peugeot 308 cc 2012 model, cannot start after battery died and replaced.

2012 Peugeot 308 CC
Car: Peugeot 308
Year: 2012
Variant: CC
Categories: Running Rough, Starting & Power Loss
I was away from home for a long time and the battery died and the car went into economy mode.
I tried jump starting but economy mode persisted stopping me from starting it up. I decided that I must change the battery. I changed batteries 2 times before in past years and followed the bsi reset procedure where I put down the window, wait 3 mins etc etc.. and it worked before. However, this time it did not work….
I tried resetting the bsi several times finally it seemed to work and the car started and all functions like windows, up/down, roof retract and extract, indicators, headlights, beam, side lights, radio brake lights etc all worked. I shut the engine down and restarted, it started again. Then I decided to put the rest of the parts like filter intake etc back in place and close the car. I immediately tried to restart and …. Economy mode popped up again and it did not start! Now I have all windows closed, car I. Economy mode. I asked someone to help by leaving inside till I run the bsi reset procedure gain but no joy! One other thing. All fuses are ok and battery is supplying 12.44 V
How can I reset the car with all windows closed and working alone.. any ideas or new methods please?
Problem added: Dec 23, 2023 (2 months ago)
As a last resort ,try removing a battery terminal for a few mins and then reconnect
Answered Dec 24, 2023 (2 months ago)
Good day & Merry Christmas. Thanks for your reply. You are reading my mind :) Yesterday I removed the new battery and am charging the old one. Today or tomorrow , or when I get someone to help, I will plug back the old recharged battery and try again, following the bsi reset. Hopefully it fires up again. Later next week I have someone coming over to plug in his computer to the car maybe we find what is wrong.
Answered Dec 25, 2023 (2 months ago)
Merry Christmas !! Hope you get to the root of the problem
Answered Dec 25, 2023 (2 months ago)
Good day & thanks for your feedback. So, it turns out that the problem was being caused by the panel sitting on top of the battery. By simply pushing and twisting the panel and connecting cables the car can be started, no need for any resets. I decided to replace the panel which cost around EUR 280 (without installation of course). It seems that the main culprit causing all the trouble was the top left connection. Thanks again for your responses.
Answered Jan 12, 2024 (1 month ago)
Glad you got to the root of the problem and got it solved . Thank you for updating the forum
Answered Jan 12, 2024 (1 month ago)

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