Will be obvious when you have the bumper off Dan, but if you peel back the boot liner on the nearside you will see it there, has a rubber flap that sometimes get's knocked the wrong way
Sorry don't have pic of nearside but look at this and you will see between the bumper clips the rectangle shape, it's that on the other side.
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Also found pic of clips when I modded mine, one one the left is modded. hope it helps.
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