You have to differentiate there, Bürger (citizen) is different from Burg (castle) in German, and Hamburg is written without the ü, as it comes from castle, not citizen.
You can use all the apps you are familiar with and have already set up. Like you favourite maps software, your music subscription like Apple Music or Spotify, or things like podcast or audiobook apps, everything right on the big screen of the car.
Same on my Kia ev6. It has a smaller display with 2 physical twist knobs under the the main screen. That can be used for climate or media control, independent of the main screen.
Was the lumber strapped down correctly? If not it’s Manslaughter.