To reset your La Crosse 308-1415BW WS-9160U-IT-CBP Weather Station after changing the batteries, follow these steps: 1 - Insert the new batteries into the weather station and the outdoor sensor. 2 - Wait for about 15 minutes to allow the devices to sync. 3 - Press and hold the "SET" button on the weather station until the time starts flashing. 4 - Use the "+" and "-" buttons to set the correct time and date. 5 - Press the "SET" button again to confirm and save the settings. This should reset your weather station and ensure it's displaying accurate information. If you encounter any issues, you can refer to the instruction manual for more detailed guidance - https://www.manualslib.com/manual/1023320/La-Crosse-Ws-9160u-It.html