FORD 2002 E-450 v.1 - Manual (Page 16)

Supplemental restraint system (SRS) warning chime
Sounds when a malfunction in the supplemental restraint system (front
or side airbags) has been detected. Have the supplemental restraint
system inspected immediately.
Headlamps on warning chime (if equipped)
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/buzzer
Sounds when the key is left in the ignition and the driver’s door is
opened.
GAUGES
Instrument cluster
16