See also:

How can I prepare for my next OBD II emission inspection?
• If your Check Engine (MIL) light is lit – or was lit but went out without service, have your vehicle diagnosed and, if necessary, serviced by a qualified Volvo technician. • If you recently h ...

Safety Features
The S80 excels at safety. Before the little bubble above your head fills with the word "Duh," let me add that this Volvo has some breakthrough safety gizmos we hadn't seen until very rec ...

RSE-AUX connectors and 12-voltsocket
The three color-coded (yellow-white-red) RSEAUX connectors can be used to connect an auxiliary device to the RSE system. Always follow the connection instructions provided with the auxiliary devic ...