The side that has the switch, you stick a flat head screwdriver in there and try to unlatch the light assembly. I would recommend covering the screwdriver with cloth to protect from scratching.
Here is the backside, you can see the latch in the middle.
The opposite side just slides in.
The left side is the latch side as seen below:
The clear lens clover snaps off. This to me was the hardest part. I used two flat heads and worked my way around to remove it.
Here is the OEM bulb. You'll notice the ends are flat (sorry for crap pic). The LED bulb doesn't have that flat end. So it's kind of a pain to insert.
Here is the LED bulb I used.
You have to use needle nose pliers to insert the LED bulb.
Hope this helps if you decide to upgrade it.