He's figured it out! I think Sav was most excited that Tyler is now crawling make goes away from him and says "Come here Buddy!" and he just grins and crawls over.
Video 1: Tyler crawling 1: https://youtu.be/XYM5tMRaPVI
And my favorite since he pulls the car to him : Tyler crawling 2: https://youtu.be/uKy-KPlR62g