GM Service Manual Online
For 1990-2009 cars only

Object Number: 1211987  Size: A2

If your vehicle has this feature, the thumbwheel controls for the driver's and front passenger's heated seats are located in the center of the instrument panel.

Move the thumbwheel to the middle circle to warm the seat to a low temperature setting and to the top circle for a high temperature setting. An indicator light tells you that the heating system is on. This feature will only work when the ignition is on.

: Move the thumbwheel to the bottom circle to turn the heated seat off.