GM Service Manual Online
For 1990-2009 cars only

Object Number: 807564  Size: A3

If your vehicle has this feature, the switches that control temperature for the driver's and front passenger's seats are located on the center console.

There are two settings, LO and HI.

Press LO to warm the seat to a lower temperature. Press HI to warm the seat to a higher temperature. To turn this feature off, move the switch to the center position.