How do I disable the TDS?

From the home screen on your app while connected to the vessel: Press the TDS padlock image under the circle on the right side ,> This will populate a TDS box at the bottom of the home page > Swipe box up> You will see settings and TDS enabled> Make sure TDS enabled button is turned off> At this time you will be prompted to verify you are turning off TDS> Press disable> The next screen you will need to input your pin#. 
 
This will allow full function of the engines and there will be no theft deterrent.