OK, I ended up with these bulbs for the interior. They are short enough to fit. I tried a few but these fit well and were the whitest (Rather than blue) Some didn't fit a tall (Too long, too wide, etc)
Requires a bit of brute force to remove the domes. I used plastic leverage tool (Looks like a spatula) Start from the front, near the windscreen, pull down toward the back. There should be 2 clicks as each clip comes off (one on each side near the front. Once off, disconnecting the cable is easy, and then to pull the bulbs out, just lever it from side to side.
Before fitting everything back, plug the cable in and make sure the bulbs light. If not, you need to reverse the polarity. (And be careful as the bulbs will be hot!) Fitting it back, just reverse the procedure.
For the rear dome, it's even easier. Again from the front, lever and pull towards the back. Again 2 clips, but these tend to fly off once it's pulled out. Remove the cable, and this one is a twist lock.
The vanity bulbs were a pain to replace. You need a very thing screwdriver, preferably plastic, and level the covers from the plastic side (rather than from the mirror) If it doesn't work, then very, very carefully lever from the mirror side. I had to do this for 1 of them, but I wouldn't recommend this method as it sound awful and the possibility of cracking the glass is high
There's 4 clips on the cover, 2 on each longer sides. Once this is out, I used a rubber coated narrow screwdriver to lever the bulb out from the connection side, and then my fingers (but a pair of needle nosed rubber tipped pliers would work better) wiggle it up and down until I could pull the bulb out. Putting the led in you just need to be very careful. As you put it in, it will light up. Don't stare into it. And if it doesn't light, pull it out and reverse it. Plugging the cover back is the easy part.
I used these for the boot and glove box. They are more exxy but provide a touch more light. If I hadn't bought it first up, I probably would have just used the other set. They are long, and can barely fit in the space for the boot and glovebox.
From the side nearer the rear seats, you can slide a thin flat tool or screwdriver and start levering from the top and bottom. If you can get a finger hold, you can try pulling it towards you (back to boot opening) The cable isn't long so don't pull too far. Again, hot bulbs!! Flick the cover off to the back (There's 2 detents on each side holding the plastic on.)
Quality control isn't great with these bulbs. Some fit with half an mm to spare, and others are half an mm too long. (Out came the know to shave a bit of the plastic off to push the bulb more into the T10 socket)
T10 more SMDs
There's a guy on ebay that sells all the required bulbs as a kit. (Even for the Grand Cherokee) Will see if I can find the link.
Wouldn't recommend putting the T10 LEDs on the rego plate rear. It will through an error, even those that state that it is CANBUS version. (Will still work though)