Cache is NOT at the posted coords, but it is a good place to park. You are looking for a bison tube.
BTB were on their way to a FTF on GC8H5YE when we came across a tailgating party gone bad. The seven of us continued on and and found our cache for a shared FTF.
For the puzzle: identify the year of the truck in the background picture. Enter this in the Certitude, it's not a 2020
You can validate your puzzle solution with certitude.
Once you are correct you will receive the final coordinates.
Merry Christmas