Hello everyone, ElchWiki says the following about Afterblow: Quotation: The function Afterblow (also dry blowers) serves to dry the air conditioning or the air conditioning automatic. In Volvos the P2x platform is switched on about 50 minutes after the car is switched off. This then runs after about 7 minutes. Drying of the plant is necessary to prevent mold formation and the growth of bacteria, which in the damp environment of the air filter and the hoses sun The air conditioning system not only cools the air blown into the interior but also dries the resulting condensation water must therefore be “blown away” after the system has stopped. During operation, the condensation water normally drips onto the road. The whole operation only works at an outside temperature of over 24 degrees, with a battery voltage of more than 19.7 volts and only every 20 hours. areupdate already recorded ex works, with others it can be played on guarantee and with some it is only by software update (approx.15 EUR). It should be noted that following software updates can put the function back out again. So it is recommended to ask after each visit to the elk doctor whether the function is still activated. The function is available from model year 1998. Quote end. Can someone tell me where the 19.7 volt battery voltage comes from ?!?!? Have i ch a board in front of the head or is the number wrong? Thanks Martin