GM Service Manual Online
For 1990-2009 cars only

Driver's Lumbar Support SL2, SC2, SW2 Models Only


Object Number: 1566738  Size: B3

Support of the lower back (lumbar) can be adjusted by turning the knob located on the front of the seat. Support is increased by pulling the lever forward and down.

The lever has three positions. The upward position gives the least support, the middle position gives moderate support, and the lower position gives maximum support.