[Qsilver7]

The audible alert comes from the alarm siren...not the car’s horn...so the answer is no...there’s no easy way to make the horn the audible source for lock/unlock verification.

But, you can make changes to the sound of the audible alert with coding software. For example, Bimmercode has several different options for the audible confirmation tones. You can see some examples of the selections you can choose from using my 2013 f05 & Bimmercode:

{the images below shows the available selections for each coding option listed above}