Mercury 1999 Villager Owner's Manual page 112

Seating and safety restraints
Always drive and ride with your seatback upright and the lap
belt snug and low across the hips.
Reclining the seatback can reduce the effectiveness of the seat's
safety belt in the event of a collision.
Move the control up or down to move the seat up and down.
6 way (driver seat)
Slide the control forward or backward to move the seat forward or
backward.
6 way (driver seat)
4 way (passenger seat)
Rotate the vertical control to adjust
the seatback.
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