Chevrolet Malibu 2007 Malibu Owner's Manual page 18

Notice: Folding a rear seat with the safety
belts still fastened may cause damage to the
seat or the safety belts. Always unbuckle
the safety belts and return them to their normal
stowed position before folding a rear seat.
2. Once a lever is pulled, the seatback can be
pushed into the down position.
18
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 push and pull on the
seatback to be sure it is locked.