S Greenlee

I have a 2018 sierra and we got in the truck and started to drive. It did it a few times. I decided to Google it.Im in the passenger seat and decided to make sure my seat belt is buckled good. I reached down and it was but I noticed I had it buckled in the middle buckle instead of the one for the passenger by the door . I am thinking there must be a sensor of some kind in that buckle to let you know it's not hooked when a passenger or weight is in the seat. . It hasn't done it since