I replaced mine a few months ago, and although I do not remember the number of clips and their location, I do remember taking off the corner light so I could get to "something". I also remember laying on the ground and peering upwards.
I think it took me about 10 minutes per side.
"...rationality of thought imposes a limit on a person's concept of his relation to the cosmos." -Nash
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09 Jetta TDI