1999 Buick Riviera Owner's Manual - Page 8

yellowblue Seats and Seat Controls This section tells you about the seats -- how to adjust them, and also about memory seats, reclining seatbacks and head restraints. The power seat controls are located on the side of the driver's and passenger's seats. D Raise or lower the front of the seat cushion by D Raise or lower the rear of the seat cushion by holding the front part of the horizontal control up or down. holding the rear part of the horizontal control up or down. whole horizontal control up or down. Power Seats D Raise or lower the entire seat cushion by holding the D Move the seat forward or back by holding the horizontal control to the front or back. Power Lumbar Control (Option) If you have this option, the driver's and passenger's seatback lumbar support can be adjusted by moving the single switch located on the side of the seat. To increase or decrease support, hold the switch forward or rearward. 1-2