Chevrolet 2003 Silverado 1500 Pickup Owner's Manual page 155

The seat and mirror positions can also be recalled when
placing the key in the ignition if programmed to do so
through the Driver Information Center (DIC).
To stop recall movement of the memory seat feature at
any time, press one of the memory buttons or power
seat controls.
Easy Exit Seat
The controls for this memory function are located on the
driver's door.
li)l) This button is used to program and recall the
desired driver's seat position when exiting/entering the
vehicle. The seat position, can be personalized for
both driver 1 and driver 2.
To store the seat exit position for driver 1 or 2, do the
following:
1. Select the desired driver number by pressing and
releasing the 1 or 2 button. The seat will move to
the stored memory position.
2. Adjust the seat to the desired exit position.
3. Press and hold the exit button of the memory
control for three seconds. A double chime will sound
to let you know that the position has been stored
for the identified driver (1 or 2).
To use the seat exit position, do one of the following:
Press the exit button on the memory control.
Or, if this feature is enabled (active) in the DIC,
then removing the key from the ignition will
cause the seat to move to the exit position.
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