GMC 2018 Acadia Denali Owner's Manual page 109

108 Storage
1. Turn the right side wing nut to
remove.
2. Remove the strap.
Make sure the strap is secure
after service or reinstalling the
cargo management system.
3. Turn the left side wing nut to
remove.
4. Unsnap the hinges on the load
floor from the cargo
management system.
5. Pull up to remove the load
floor.
6. Lift up on both sides to remove
the cargo management system
to access the spare tire.