Rear hatch won't open. Believe the lock has freezed up. How do I access this? on 2002 Chevrolet Trailblazer

Rear hatch won't open. Believe the lock has freezed up. How do I access this?

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1 answer
you have to go to the inside door panel take it off then unscrew the locking mechinzime once you get it out i socked it over night in P B BLaster and put it back in and its been fine i spray it once a month now to keep it lubed