How do i unlock chevy traverse without keys?

If You happen to not have the keys to Your Chevy Traverse there is no good way to unlock the car. I recommend that You contact a locksmith that can help You get into Your car. The only ways that You can get into the vehicle when it is locked will cause permanent damage either to Your car, or to the locking system. There can also be damage caused to the electrical system if You try to bypass the body control module to attempt to unlock it. A licensed locksmith will have the proper tools to get into Your car without damaging anything and it is really the best way to go.