Should've put an "all of the above" option.

all of the above

all of them

I hear horns the most, when the driver is walking away from their vehicle and they are locking it.

I use my cycle bell more, mainly to let young mums know to keep their offspring safe.

Almost never.. Usually its an accident and i leaned on it

I've almost forgotten how to work the car horn.

I rarely, if ever use it.

I rarely honk.

All of the above but they must be somewhat severe. I also give friendly honks like "hey the light turned green you can go" short honk

the horn on my car is pretty unintimidating :P