Buick 2005 Rendezvous Owner's Manual page 16

Base-Level
4. For base-level split bench seats, pull the lever at
the base of the seat on the outboard side to
release the rear latches from the floor pins and flip
the seat forward.
For up-level split bench seats, continue pushing
forward on the recliner lever to release the rear
latches from the floor pins and flip the seat forward.
The seat can stay in this position or it can be
removed from the vehicle by following the next steps.
1-10
5. To release the front latches, squeeze the angled
latch release bar toward the straight crossbar.
6. Remove the seat by rocking it slightly toward the
rear of the vehicle and then pulling it out.
Repeat these steps for the other section of the split
bench seat.