Pontiac Montana SV6 2008 Owner's Manual page 16

3. Lift either one of the adjuster levers and slide the
seat to the most rearward position. See "Adjusting
the Bucket Seats Forward and Rearward" earlier
in this section.
4. Release the rear set of hooks from the floor pins by
pulling the nylon strap, located at the base of the
seat. Use the strap to guide the seat forward.
1-12
5. To release the front seat hooks from the floor pins,
squeeze the angled bar, located beneath the seat
toward the straight crossbar.
6. Remove the seat by rocking it slightly forward, then
toward the rear of the vehicle while pulling it out.
This should be done in one motion.