Audi A4 B9 (2015 – ) – Fuse Box Location and Fuses List wwwhowto›Audi A4Nov 25, 2018The Audi A4 B9 (2015 – ) have 4 fuse boxes location. Two on the driver’s and passenger footwell under the footrest, other on dashboard driver side and one in the lugage compartment – Scroll down to see how to access them and the fuses list. Fuse box Audi A4 (B5) - fusesdiagram Fuse box in passenger compartment Audi A4 (B5). fuse box location. The unit is located under a cover at the end of the dashboard on the left-hand side. To open cover insert a screwdriver in the slot below the cover and pry it off. The crank handle for manual operation of the electric sun roof is clipped on the inside of the fuse box cover.