Volvo S40 mk2 (Second Generation; 2007) - fuse box diagram Fuse box in the passenger compartment. The fuse box in the passenger compartment is located under the glove compartment. Volvo S40 mk2 – fuse box – passenger compartment 2007 Volvo S40 Fuse box in the engine compartment . The fuse box in the engine compartment has positions for 36 fuses. Fuses 1-18 are relays/circuit breakers and should only be removed or replaced by an authorized Volvo service technician. Fuses 19-36 may be changed at any time when necessary.