GMC Chevrolet Express 2022 Owner's Manual page 27

26 Seats and Restraints
Carpet Floor Covering
Vinyl Floor Covering
4. Push the pin(s) marked R down until
they are in the retaining clip. If equipped
with a locking ring, ensure the ring is
open, place the pin inside the ring, and
secure the pin with the lock ring.
5. Pull on the pin to ensure the lock ring is
closed.
Carpet Floor Covering
Vinyl Floor Covering
6. Push the pin(s) marked L down until
they are in the retaining clip. If equipped
with a locking ring, ensure the ring is
open, place the pin inside the ring, and
secure the pin with the lock ring.
7. Pull on the pin to ensure the lock ring is
closed.
8. If the vehicle is equipped with a vinyl
floor covering, put the vinyl back to its
original position.
9. Repeat this procedure for the other
seat base.