Dear customer, Thank you for your interest in our product, The bidet and the remote will reset to the to the default low (cold) setting when it is unplugged or when you change out the battery. If you have any more questions about the product, feel free to contact us back and let us know. Thank you.
Dear customer, Yes, the remote use an IR signal. If you have any more question about the product, feel free to contact us back and let us know. Thank you
No, unfortunately to prevent accidents there are sensors in the seat to detect if someone is on it. This is the case with many high quality bidets. I tried masking tape on the sensors, but that was not enough to trigger it.