The 2 by the door pillar.....First of all the rubber ring goes into the glass then you will have 2 washers that have 4 very small plastic lugs on them they go against the rubber ring on both sides of the glass. On the outer side the captive dome with the threads inside goes through the rubber ring against the washer (use new black caps if you can get some and lightly smear with vaseline). Then on the inside you will have a zinc colour screw that fastens from the inside of the glass into the captive dome.Dont overtighten too much or the plastic washers with lugs can mishape or split. Then once tight enough put the rubber cap over the internal one.

The rear opener is the same except you spin that on rather than using a philips to fasten into the captive dome.

Easy really, just get a mate to help you support the glass