Sounds like you may have a dark color car. In any event, if you can, Megiuars #85 Diamond Cut and a professional Rotory Buff (By a professional if need be).
Other options. ScratchX, 1 application, Orbital Buffer (real cheap in cost starts at $20 for 6" and up) Then MGs Cleaner/Polisher Wax step 2 in bottle, you will thank yourself later. Good luck...........Oh Read the instructions first on any method you use and try on small area before moving to a more visisble spot
scratches 
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