FORD 2015 Explorer - Manual (Page 123)

AUDIBLE WARNINGS AND INDICATORS
Key In Ignition Warning Chime
Sounds when the key is left in the ignition in the off or accessory
position and the driver’s door is opened.
Keyless Warning Alert (If Equipped)
Sounds the horn twice when you exit your vehicle with the intelligent
access key, after the last door is closed and your keyless vehicle is in
RUN, indicating your vehicle is still on.
Headlamps On Warning Chime
Sounds when the headlamps or parking lamps are on, the ignition is off
(the key is not in the ignition) and the driver’s door is opened.
Parking Brake On Warning Chime
Sounds when you have left the parking brake on and drive your vehicle.
If the warning chime remains on after you have released the parking
brake, have the system checked by your authorized dealer immediately.
122 Instrument Cluster
2015 Explorer (exp)
Owners Guide gf, 2nd Printing, September 2014
USA (fus)