The Elgin rectangle: why couldn't people lock their cars in Carlton?

[netsharc]

So much useless bla bla for "dentist's faulty wireless doorbell floods the 434 MHz spectrum, disabling car alarm fobs.".

[dexterdog]

So the old fashioned lock mechanism still worked fine.

[jimmcslim]

There's car park on the top of Mt Wellington in Hobart with a similar issue, but it is attributed to the transmission tower nearby.