"Supposed to respond to?" Yes, by driving. The alerts take the form of "Traffic ahead". "Police ahead", etc. There is no interaction required, or even expected unless you really want to poke the thumbs up "yes, this alert is still valid" button.
(And if you can't do that safely, given the size and consistent location of the button, you probably shouldn't have a license anyways)
(And if you can't do that safely, given the size and consistent location of the button, you probably shouldn't have a license anyways)