Volvo V50 2.0D – Engine system maintenance required

Hello together, for almost a month I am the owner of a V50 2.0D and so far very satisfied. TÜV and inspection were made new when purchased and all liquids were exchanged by the dealer. Due to problems even fss control unit for the airbag was replaced. All around I am so far very satisfied. 140,000km the moose has run. Now I drove by car on holiday (Croatia, 1200km). At the second refuelling the information light with the well-known message ” Engine system maintenance required. I drove from there even further to Croatia (300km) without abnormalities. No power loss, no oil dilution recognizable. The turbo works as always. Would assume that the workshop has not forgotten the level of the additive, but has refilled it. The message occurred directly after the tanking and since then remains at each start…. Can you drive even further or do I have to go as soon as possible? Had the previous engine system maintenance required. n tankstop only filled 10 liters, if this has any effect? MfG Nyrass