i never have to lock mine here in UK'istan either.......indeed i enjoy sleeping in it every night with my shotgun/rotweiler and box of grenades......this country aint so bad!
dont burn it!!!!! as a responsable 4x4 forum and what with the planet being in such a mess arguably because its all our fault......id say cut it up into tiny little bits and recycle it......its greener and itl cost you less in the long run