If an electrical component or function does not work, it may be because the component's fuse was temporarily overloaded and failed. If the same fuse fails repeatedly then there is a fault in the circuit. Volvo recommends contacting an authorised Volvo workshop for checking.
Location of central electrical units

Central electrical unit locations in a left-hand drive car. In a right-hand drive car the central electrical units under the glovebox change sides.
|  | Engine compartment | 
|  | Under the glovebox | 
|  | Cargo area |