FORD 2002 Excursion v.1 - Manual (Page 15)

Headlamps on warning chime
Sounds when the headlamps or parking lamps are on, the key is removed
from the ignition and the driver’s door is opened.
Key-in-ignition warning chime
Sounds when the key is left in the ignition and the driver’s door is
opened.
Parking brake ON warning chime
Sounds when the parking brake is set, the engine is running and the
vehicle is driven more than 5 Km (3 mph).
GAUGES
Instrument cluster
15