This could be configurable, at least in the json files, but having to hit sustained burn again, at just the right time, after using a sensor burst is incredibly irritating and makes me minimize my sensor burst usage simply because it's tedious. When I am in sustained burn, I always want to resume ASAP after using a sensor burst.
Along similar lines, I've probably hit "Emergency Burn" by accident as often as I've used it on purpose, partly due to its positioning right between the two most commonly-used toggles, and partly because it looks a lot like sustained burn. Since it has massive drawbacks, some kind of confirmation would be nice (I've since moved it to slot 0 once I discovered this was configurable). Also, a prompt for enabling transponder upon leaving a planet would be great. The "Enable Transponder?" prompt upon entering a system is extremely helpful; on the other hand, every single time I've been intercepted by patrols was because I turned off my transponder to due a black-market deal on a planet with no patrols nearby, and then simply forgot to turn it back on after I left. The patrols don't buy that excuse. It led to me getting into a war with the Diktat last game...