Honda 2003 Accord Owner's Manual page 112

Interior Lights
Courtesy Lights
IGNITION SWITCH LIGHT
DOOR LIGHT
On all models except U.S. and Canada
DX
Each front door has a courtesy light.
This light comes on when you open
the door.
Your car also has a courtesy light in
the ignition switch. This light comes
on when you open the driver's door.
It remains on for several seconds
after the door is closed.
110
Instruments and Controls