WTF? Has anyone experienced this?

Also, what's the exact fluid the factory uses. It's like a dark orange liquid. I could add some, had I known what type it was.

I'm going to have to take it to the dealer to fix. I in the meantime, the level is below the LOW line. Ugh.

was there any noticed leak?

how many miles do you have on the truck?

there could be many reasons for that problem, and there could be nothing,

check out what the dealer says.. you may add little to level it, but I would suggest you add water when the engine is completly cold and add through the radiator cap not the tank.. and then start the engine and keep it running for a while.. then turn on the Heater to circulate the water through the system just to make sure that there is no air inside it which can push the water outside the tank