How do you change a headlight on a 2012 Cadillac CTS?
Turn off your Cadillac CTS and look below the front grille for the bottom pins that hold it in place.
Open the hood.
Remove the side pins from the CTS fender on the side that has the headlight you wish to replace.
Remove the three bolts on the top and rear of the headlight.
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How do you change a headlight on a 2014 Toyota Corolla? (video)
https://www.youtube.com/watch?v=xT9LcsXJymg