"SRS airbag service required URGENT" warning message appeared after I jump started the car (with some arcing -- battery was very dead). Internet research confirmed this is common problem -- also happens when negative (ground) wire is not disconnected when working on sound system or air conditioning. Must be taken to dealer to reset the warning message (Volvo proprietary bus message). My cost was $60.
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Most reported Volvo S80 problems
Problems have been reported with the automatic transmission. Our technicians recommend complete diagnoses before beginning any repairs.
at 103K the Car began a high pitched hum or squeal after the car warmed up. The squealing could be temporarily stopped by pressing the accelerator. The car was diagnosed as a cracked breather box, also known as, the flame trap, the oil trap. A small plastic box connected to the PCV System that has a plastic nipple that cracks and squeals form the oil pressure. The repair is difficult to get to and costs a lot in labor. My technician told me t...