And how do I check that the smart alternator and IBS are working correctly?

the question is if it's necessary to manually change this value if you go from factory installed Varta EFB 80Ah to aftermarket AGM 95Ah. Because I switched to AGM 95Ah and it's constantly undercharged. I.e. IBS never gets it to full charge, thus start stop warnings all the time.

I wonder why there's Battery type at Body → CAN Setup byte 63, bit 5: xxxx0001 - 80Ah 680A - default setting for Giulia/Stelvio EU xxxx0010 - 95Ah 800A - default setting for Giulia/Stelvio US xxxx0011 - 80Ah 680A - default setting for diesel Giulia/Stelvio xxxx1000 - H7 flooded; xxxx1001 - H7 AGM; x...