Removing a few screws, and adding a lot more heat, gives us ingress into the main body.

And the keyboard lifts right up—no pesky cables connect the keyboard to the bottom case, and none run near the prying edges. Phew!

The big cable is for the keyboard, but what about that thinner one?

The narrow cable lines up with a magnet in the Pixel C's case—so, our bets are on Hall effect sensor. This way, the keyboard instantly knows it's attached to the tablet, so "you can start typing in an instant."