How do I disable the loud, external Reverse beeping/alarm in my 2006 Ford Freestyle?
Those back up alarms are wired into the back up lights. Take a look underneath the back of the vehicle for that wire and disconnect it. Find the beeper and then trace the wire up to a connector and pull it apart.
I don't know if this applies to you, but years ago I had a truck with a LOUD reverse beeper and I put a resistor in the line to make it quieter.
There’s a button on the console to turn it off. Near the bottom by the cup holders.