Horn wont work and gear shifter locked

SOURCE: 1995 Honda Accord Stuck in Park

change the gear box and expensive for u haha cause its auto mines manul

SOURCE: 2000 Honda Accord Alarm does not arm

Blown fuse?, check to owners manual for a theft system fuse.

SOURCE: 2004 Honda Accord: Key will not disable alarm (not a key problem)

try pulling your negative terminal lose from the battery for a few minutes and allow the system to zero out then try it if tht don't work then visit your local honda dealership

SOURCE: master door switch? or something else? buzzes when i press lock

ok ur door lock switch isnt going out,,however ur drivers front door lock actuator is going or is already bad...have that replaced..also as far as the end noise buzz u hear , that may be ur a.b.s modulator and accumulator cycleing on and off..it may be empty and or leaking..have the a.b.s modulator and accumulator checked at the dealer..its an expensive fix... ur modulator unit in in the front left or right of the vehicle depending if u have a v6 or 4 cyl. its a square unit with a rectangular brake fluid resevroir and a long tubular cylinder (acummulator)... also identify it by the orange connectors...and the brakelines going to it...common symptom with those accords....they leak alot especially if with high mileage..

SOURCE: Can I stop my horn from sounding when I lock my 2009 Accord

You might can have the dealer program it not to honk, but its just the way the keyless entry works. I've owned 2 accords--an 06 and 08--and both of them honk the horn when the lock button is pressed twice. Pressing the button once will secure the car and arm the alarm. So once click is all you really need. And no your alarm is not malfunctioning.