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^^^^I do the same^^^. keep it stashed somewhere inside the cab and remember your code.
A piece of velcro on a little key box or even on the key itself, and you can stash the key onto anywhere carpeted in the truck. (There is a small gap between the rear seat in a Screw and the cab wall, as an example)
Ya I hide it inside the truck and use the code. When I'm far away I typically don't take the key out of the truck so I limit the chance of losing it.