Not really. What Plex is selling is a relay service, so you can connect to your home media remotely, just like you can do with Tailscale etc. the second thing they are selling is user management, easily share media library with other people. Both of these are hard to set up for many people in Jellyfin

The task does not specify where the car is. Maybe it’s at the car wash already, otherwise why would the person ask such a dumb question?