How to Rebuild a 1969 El Camino Vent Window - It’s Okay To Vent Photo Gallery
10. Here is the notch. The vent window needs to be rotated to line up the tabs and notch as the post is slipped into the hole. One tab will stay above the hole while the other needs to be below it. Once the vent window is rotated the tabs will be away from the notch and in turn lock the vent window from moving up and down.