GM Service Manual Online
For 1990-2009 cars only

Object Number: 1272873  Size: A2

Your vehicle may have manually operated lumbar support for the driver's seat.

To adjust the front seat lumbar support, use the lever located on the outboard side of the seatback.

Push the lever down to adjust the support for the lower part of the seatback. Pull the lever up to return the support to its original position.