Hmm.. that wouldn't have been my choice.. I think application of a paddle might have come first, followed by other measures.
In any event.. most of the keys are universal dupes.. so a bag of them could be kept on hand.. At very leask, the oem switch, with key in it, and a retaining lanyard with string/wire/beaded chain loop over to the dash.. etc..
just my .02$
Soundguy