Right, apologies I went dark for a while here, just kept forgetting to take a pic and didn't want to post until I do.
So the VX logos I mentioned earlier look like this:
And a little bit blurry close-up:
Now, regarding the questions I've had and few more I've got...
1. Programming -- I followed VX_KAT's instructions for programming of the second remote and now both remotes work. I didn't touch the first remote during programming of the second remote so my theory is that the security module memorizes the last 4 remotes used, it does not generate a new code/handshake every time a new remote is paired.
2. Rear view mirror plug -- I have tried removing the grey plastic side inserts -- it didn't help me removing the wires. They seem to be clipped to the metal parts in the plug itself. I will cut off the plug so I could have a better look at it in my apartment and as I have plans on putting a rear view camera monitor up there (or a rear view mirror with the built-in monitor) I will probably put the whole repair on hold for a while.
3. I need one of the screws which hold the spare tire door. Black preferably -- any ideas where best (as in cheapest) to get it?
4. I badly need instructions (ideally with pictures) on how to disassemble the dash so I could put the white metric gauges over the stock Isuzu ones.
5. My VX also eats oil. About a quart for 2000-2500 miles. I've never cleaned MAF or any other sensors which might make engine eat oil -- are there graphic guides on how/what to clean?