2005 Hyundai Sonata Owner's Manual - Page 105

1FEATURES OF YOUR HYUNDAI 92 FRONT DOOR WARNING LIGHT B620A01S-AAT HORN B610A01L-GAT REAR SEAT ARMREST B611A01Y-AAT B620A01NF B610A01NF B611A01NF-A A red light comes on when the front door is opened. The purpose of this light is to assist when you get in or out and also to warn passing vehicles. Press the pad on the steering wheel to sound the horn. This armrest is located in the center of the rear seatback.