2003 GMC Sonoma Owner's Manual - Page 125

Vehicle Personalization Memory Seat If your vehicle has this feature, the control located on the outboard side of the driver's seat looks like this. Use this memory function to save your seat cushion and seatback settings by using the following procedure: 1. Adjust the driver's seat to a safe and comfortable driving position. 2. Press the SET button and then press and hold button 1 (for Driver 1) for three seconds. A chime will sound to let you know that the position has been stored. A second seating can be programmed by repeating the procedure with a second driver and pressing button 2 for three seconds. 2-50