Mercury 1996 Sable Manual page 177

Folding down the rear seatbacks
To raise the seatback:
1. Lift the seatback rearward until it is in the
upright position. Push the center of the seat
until you hear it latch.
2. Make sure the seatback is locked in position
by pushing forward and backward on it.
If you do not securely latch the
seatback in the upright position, the
seatback or objects could be thrown
forward during a sudden stop or
collision, possibly injuring you or
other passengers.
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