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found a crack in the fiberglass on the under side of the engine hood.
going horizintal to the bracket that raises it.
about 4 inches long.
car is still under coverage from gm
Have you considered taking the car in to the dealer and asking them to fix it?
If you want advice and opinions beyond that, you might want to post a picture of the crack and tell us the year of the car and whether you still have 36/36 bumper-to-bumper or and extended warranty.
Has the car ever had body damage from an accident or other incident?