Hands off yoke. Feet off rudders. 
Do 180&amp;deg; turn. Not always the best option. Climb? Descend? Combination? 
This is an emergency 
Get on ground, now! 
Worry about consequences later, after returning back to the planet 
ATC can help, but you have to get yourself out of it. 
Move head as little as possible. If have to move the head, do so very slowly. 
Default recovery mode should be a climb as there are no rocks above us in-flight.