This a small puzzle type cache. The container is going to frustrate you and/or entertain you depending on your skills. The container was 3D printed - the plans are online with a variety of puzzles. You may want to take this one back to your car to solve as it may take some time. Please close the cache fully and place it back for the next victim to solve.
4 difficulty without hint, reading hint drops to a 3 or so.
Disclaimer: Only 1/3 of cache owner trio were patient enough to solve..... :-)