I believe your leveler panel itself runs off a fuse, possibly right below the driver in the 'chassis' electrical compartment, on the main fuse panel. Since it is tied into the ignition, it should be located there and may have blown.
the leveler hydraulic legs run off a 'Bus fuse' in the battery compartment, mounted on the wall typically, where a little yellow 'flag' will show if it is tripped. Ours did this once. The panel would work, but the legs would not. Flipped the yellow flag back in and all was good.
as far as using your 'dealer', don't let their backlog cause you to lose travel time - you should be able to use any RV shop or other dealer of your choice, even a mobile RV service, though I would think any competent automotive shop could diagnose a possible FUSE issue.
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