I'd build some half doors out of tubing that utilize stock hinges and striker plate. Just put a cable with a little pull lever like a hood latch lever and use that as the "handle" then you could slap some cheap little mirrors on there and it would be more than legal. Just my opinion. I don't own a vitara but I would like to see how you do this.
that would be great,but unbolting a door to swap it takes too much time,specially with a 4door. i took a look at it earlier today and i think i can make it work,looks alot like the older sidekicks and trackers,but will need to swap both hinges witch i think is the lower ones or the top ones i dont remember (put driver side on passenger an passenger on driver side) if this swap works it will save me time,all i need to do is cut a piece off to allow the door to slide off the pins, but once the piece is cut off it will probably need reinforcement so the little tabs were the pins are and will be welded so it wont bend.this is were i can see an issue as it would need reinforcement under the pin and could maybe disturb the bottom hole for the hige to bolt on the vitara frame.
im lucky to have a junked vitara to try this out, if i can make it work i can just swap it on my good vitara.