Insert the key into the cylinder and turn it to the ON position.
That 'plate' you see for the horn is held in place with a split ring. Press down on it and remove the split ring. Now pull the plug you see down by the lock cylinder with needle nose pliers. Next remove the screw holding the lock cylinder in place.
Do you know what was good about the good old days? I wasn't good, And I wasn't old!
Senators and Congressman should wear uniforms like NASCAR drivers so we could identify their corporate sponsors....