I would say Alarm. Check owner's manual. If you don't have one copy and paste link below; www.fleet.Ford.com/maintenance/owners_manuals
Car honks sound like beep beep because the purpose of car honks is to gain attention. The beep beep is just one sound that grabs peoples' attention when one needs it in the car.
Until it says BEEP! BEEP! BEEP!
HOW TO MAKE MY CAR BEEP
The beep function on the remote may be deactivated. To reactivate, simultaneously hold both the lock and unlock button for about three seconds. The car should chirp and the lights flash.
The beeping is just telling you that the machine is turning off.
Each beep means something different - One is a confirmation tone for decoding, one could be for bluetooth headset (if you have one) and the other can be a single beep which can randomly go off.
Three beeps when starting a Passat 1.8T signals a problem with the car. A weak battery and a malfunctioning ABS are the two most common causes.
When you activate beep beep press b while driving a car, and it will honk its horn
American Cars horns beep in the tone of F
A word that suggests the source of the sound that it describes. Like beep beep for the horn of a car.
beep
Press it and the horn will beep a few times. It helps to locate your car.