Oh for your and the sake of others, please don't do this.
I have a similar system in my car, works great 99% of the time. But that 1%, where it went wrong, could have resulted in crashes had i taken my eyes or my hands or my feet or my mind off the driving aspect.
There is no room for error here. Just stop on the side of the road if its too tiring. Focus more if you're late. Or just take an Uber or have someone else drive. Or better yet, take public transport. If none of these are options, just suck it up and drive.
Please don't put yourself, or others in danger relying on this bullshit. When things go wrong, only one person is at fault and pays the price, it's you. Not Kia, not Tesla, just you, your family, the people in the crash and their family. Not worth it really.