Chevrolet VENTURE 2005 Owner's Manual page 201

Lift up either lever and slide the seat forward or
rearward. Release the lever. Push and pull on the seat
to make sure it is locked into place.
The other lever is located
on the rear of the seat.
Folding or Reclining the Seatbacks
CAUTION:
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If the seatback is not locked, it could move
forward in a sudden stop or crash. That could
cause injury to the person sitting there. Always
press rearward on the seatback to be sure it
is locked.
The seatbacks on each section of the split bench seat
can be either folded forward or reclined. The following
explains how to use the nylon strap or recliner lever
to fold or recline the seatbacks.
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