Second only to the OSHA approved liverwurst hammer.

I would rather decide for myself how to prevent my radio from being swiped
rather than have some diabolical former torture chamber master make it so I
who own said radio can't use it.

Best move is to replace the critter with something that works a little
better.
I use an ancient BP Reno because of the remote feature and the aux input for
the Nomad Jukebox.  Thummer on the wheel.

The older Sydney uses a smartcard to lock unlock and store your preferences.
Most can be had second hand for less than $100.  Similarly for the CD head
units.

Brent C has installed a BP San Jose MP3 device, says it's great.

Donate the pesky doodad to the local dealer as a spare for the cost if
installing a more useful replacement.

pensioner (certifiable retrogrouch with 13 year old car and 6 year old
radio/cd)