"On Call - Service Required" warning has been showing on my dash (Volvo V50 D5 56 plate) for the last couple of weeks. Tried the trick with the fuse with no success. Wife took it into the dealer today who said it was being caused by a "low battery". They charged the battery and charged her for the trouble which has cleared the fault.
My only question is which battery did they charge? I can only presume it's the main car battery in which case why is that not being flagged as the fault.
Any thoughts anyone?
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