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Yes, get a GM repair manual & it shows you how to aim the lights, Hi beam & low beam, fog lights too. Just need a flat surface (wall) car is parked 25ft away. Manual has the instructions.
Open the hood & holes in the inner fenders by the lights are where you access the adjusting screws. After I lowered my car & replaced a few front end parts, just took it to a state certified light station (Calif) only cost $40. for the adjustment.