I have never heard of a toilet that needs an electronic reset, but it appears it is as simple as just disconnecting the power for 10 minutes. It does sound though are yours has a failing flush valve. I managed an airport lounge and we had dozens of electronic toilets and we had to keep a box of spares for them and just put new parts in them including complete control boards. We also kept a box of batteries.
https://www.google.com/search?q=kohler+hatbox+toilet+factory+reset
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Kohler has good support. You can view the diagrams for that unit with the link I am posting. There are no filters listed in the diagram that might need to be cleaned. There is a chance that the unit has developed a clog from hair etc in the pump impellor. The flange may have come loose and is allowing air in the suction side of the pump too. Kohler has online chat and support numbers you can call too. K-1357-RA ' Devonshire 5-Foot Whirlpool with Apron and Right Drain ' KOHLER
The only batteries are in the docking station. If the remote is attached to the docking station, take that off and set it aside. Next, carefully lift the docking station up and out from the mounting bracket. Look at the back of the docking station, push the two tabs outwards (away from each other) simultaneously to open the battery compartment cover. Replace the batteries (4 AAs) in the correct orientation. Reinstall the cover. Then replace the docking station on the mounting bracket and put the remote back on the dock if desired.
These directions are shown in the Homeowner's Guide (without the service parts) available on the product page: https://www.us.kohler.com/us/veil-intelligent-comfort-height-skirted-one-piece-elongated-dual-flush-toilet/productDetail/toilets/1120267.htm . Scroll down to the Installation section to find the link to the document. The current link to this guide is https://www.us.kohler.com/webassets/kpna/catalog/pdf/en/1226974_5.pdf .
I hope this helps.
Cindy Wells
There's something blocking it sometimes if you turn the water off in your home and turn it back on sometimes calcium from the pipes break loose and cause blockage in new style washerless valve assemblies.