2001 Chevrolet Express Van Owner's Manual - Page 22

2. Position the seat into the open slots in both rails. Push the seat forward in the rail, hooking both seat bases onto the pins inside of the rails. 3. To install the locking pins at the rear of the seat base, pull the carpet/mat flap back on the inboard side to locate the hole in the rail for the pin. 5. Insert the blue or yellow locking pin into the seat base. Possible slight seat pushing may be needed to line up the pin with the base. Remember, each pin has its own side. The yellow pin must be installed on the passenger's side and the blue pin on the driver's side. 4. Remove the pin from its stowed position on the seat base while holding the carpet/mat flap back. 1-9