Mitsubishi MOTORS Colt 2007 Owner's Manual page 66

Seat and seat belts
3. Adjust the seat's fore-aft position as desired, then push
down the seatback locking lever and raise the seatback
until it locks. Push lightly on the seat to confirm that it has
been securely retained.
Bench seat*
2
2-18
Separated seat (5-door models)*