Where is the fan relay switch for 2001 Volvo s80?

The fan relay switch for a 2001 Volvo S80 is typically located in the engine compartment, specifically in the relay and fuse box. This box is usually found near the battery on the driver's side. You may need to refer to the vehicle's owner manual or a repair guide for the exact position and identification of the relay. Always ensure the vehicle is turned off and take necessary precautions when working with electrical components.