Farm vehicles removed from Ukraine by Russians who find they've been remotely disabled - CNN
https://www.cnn.com/2022/05/01/europe/russia-farm-vehicles-ukraine-disabled-melitopol-intl/index.html

While good for Ukrainians in this case. The fact this is even possible is dangerous for overall food security.

The right tool to solve the problem of farm equipment getting stolen by Russian soldiers is to kill more Russian soldiers.