I would handle it the same way as a person would if it was not a toad. I had a soft top Rubi Wrangler back in 2003-2004, and just never locked the doors since a knife would get someone inside.
I did install a Tuffy steel console in place of the plastic crap Jeep installed. But other than that, they cannot be stolen any easier than any other FCA vehicle.
Trailer: Lifted 228BH, heavy duty springs and Yokohama tires DELAMINATED ROOF
TV: 2016 GMC Sierra Z71 4x4 CC, SLT
Spare TV: Two Alaskan Malamutes
Living somewhere in ID; previously lived in Moab UT; previous to that, don't ask!