Warning: Old logic & experience don't necessarily apply!
While pulling the trim cb WAS a good idea in the past, doing so in this aircraft would be my absolute last resort (and no collar would be necessary, as they are all virtual CBs, many of which are grayed out, not allowing the pilot to mess with them)!!! There are numerous switches and computer coding that can really ruin your day when you stumble across them unexpectedly. These new flying computers do not lend themselves to pilot techniques of old - be careful! Follow the established procedures in exactly the correct order, or you will find you have become a test pilot and have probably created a handful of additional problems for yourself.