No, it is manual. It is a large red, plastic paddle looking “key”. If your rig is a fiver, it’s usually found in the water control area, although I’ve seen them in the front compartment as well. Not as sure on a travel trailer, likely by the batteries or in the pass through storage.
It looks like this, or a variation of this:
https://www.amazon.com/WATERWICH-12-...dp/B07H7ZW4L1/
The slides and jacks need to be connected to a battery to operate. If the batteries test good, the next logical place would be the batter shutoff