lumbar support BUICK RIVIERA 1999 Owner's Manual

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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.
Power Seats
The power seat controls are located on the side of the
driver's and passenger's seats.

Raise or lower the front of the seat cushion by
holding the front part of the horizontal control up
or down.

Raise or lower the rear of the seat cushion by
holding the rear part of the horizontal control up
or down.

Raise or lower the entire seat cushion by holding the
whole horizontal control up or down.

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.