Next you will want to take your headrest monitor DVD players and gently pull apart on the headrest posts until the are the exact same distance apart as your factory headrest post. Next, if your seats have removable backings, thank God. No, really, that makes it very easy to continue. Remove the back of your seats if available. Take the headrest monitors with the two posts and drop the headrest into position through the post holes on the top of your seats.Next you will want to take your headrest monitor DVD players and gently pull apart on the headrest posts until the are the exact same distance apart as your factory headrest post. Next, if your seats have removable backings, thank God. No, really, that makes it very easy to continue. Remove the back of your seats if available. Take the headrest monitors with the two posts and drop the headrest into position through the post holes on the top of your seats.