I'd take it to the dealer but they may not be able to figure it out as the fault sounds like it has cleared itself. Double-check all electrical systems (lights, windows, &c) and make sure they are working - may help shop with troubleshooting.
Do a visual check under the dash and hood, looking for burnt/dark places on the wiring and connectors.
If everything is working, it's probably not a fuse but the fuses in the panel in the left footwell are pretty easy to check (use a voltmeter/ohmmeter, don't eyeball it). To check the fuses under the hood, see one of the ESCL/SLU fuse removal DIYs on this site for instructions on how to get the IPDM out.
The Factory Service Manual (FSM) may be of some help, especially if you find a problem. Link to download page in my sig.
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