Blue screen instead of front camera

[thudnblunder]

Went for a short errand this morning. Pulling out of the garage my 701A cameras were fine, got back home 12 minutes later and the front camera doesn’t seem to be working.
It was raining. So I don’t know if water got into a connector or if this is software related.

Short of the hassle of a dealer visit, is there any software reset I can try to resolve this?

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