https://www.google.com/search?ie=UTF-8&client=ms-android- sprint-us&source=android- browser&q=2003+Buick%C2%A0century+emergency+trunk+cab le
maybe you can take the rear seat back out and skinny up in there to release it by hand-
but jobs like this are such a hassle, might as well just take it to the mechanic-
Looking for a Used Century in your area?
CarGurus has 667 nationwide Century listings starting at $2,500.
Search Buick Century Questions
Buick Century Experts