If you want to work in Budaörs, choose Budaörs in the application before going online.
If you work without a scheduled hour and want to change the delivery area, all you have to do is switch yourself offline and select Budaörs before going back online again.
Also, if you work in Budaörs you must be within the zone shown in the image below. In this case, you only need to deliver orders from restaurants within the Budaörs zone.
The hotspots are marked for you on the map below.
Budaörs delivery area: