Steering wheel controls not working

So what it sounds like happened is the when they were doing the engine work they disconnected the steering and turned the steering wheel which destroyed the clock spring in the steering wheel. here is a guide to show you what you are in for to fix it and diagrams below to show you on your car. Is the airbag light on as well?

https://www.2carpros.com/articles/steering-wheel-clock-spring-removal

Check out the diagrams (below). Please let us know what happens.

Yes, the airbag light is flashing. Is it unreasonable to go back to the mechanic and try and hold him accountable? Seeing as how there was not this issue prior to the engine work.

Yep, tell them what happened and see what they say, I can help if needed.