The 12V battery needs to be replaced.
info from manualVCFRONT_A182
The battery voltage is below 10.5V for 5 seconds or the 12V battery has been overcharged 10 times or the battery voltage reached 12.2V before the Ah count reached -2.25Ah 10 times or 4 voltage drops were observed when load current on 12V was greater than 20A.
The vehicle lost power from the 12V battery and PCS (as would happen during 12V battery replacement).
The battery may lack the power to support vehicle 12V auxiliary systems: car may fail to start and potentially high range loss will be experienced.

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