I've been keeping my eye out to see if one of these days I might be able to snag a properly-colored center armrest for my sedan, but every time I've come across one so far I've held off because I know that there's always a warning to make sure that the "mounting bracket" and hardware is included with the armrest, or else I won't be able to install it.

What is needed to install the armrest? Is it the arms, bolts, and washers that you guys are always talking about? Does the below picture have everything needed to install that armrest in a car that doesn't have one?



If that's everything needed, what keeps it standing up straight? Are there just two bolts that you mount, or are there more? I can see two little holes higher up on the "legs" of the bracket--what goes there?

I've gone out and looked at my car to try to figure out how the armrest mounts. Assuming that the mounting points already exist in my car (i.e., I don't have to drill them), then it looks like the armrest "arms" mount on either the bolts holding the seats in place (unlikely) or somehow on the two apparently-useless bolts on either side of the rear half of the center console. I'm guessing it's the latter--are they the only two connecting points for the armrest?
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'89 244 GL -- 120,400 miles (see profile for info on car)