Yes, he knows where they're going - down the stairs and out the door to the waiting car. He would giggle at the sound of the horn blast (what beneficent providence had provided Reim with an amplifier for his impatience) were they not on such a serious errand.

"I did." He doesn't elaborate. Whether or not Gilbert has told Oz about the seal on Mad Hatter, he still prefers to keep the details hidden.

The idling car is entirely noisy enough for Break to be able to locate it (never mind the honks). It's still Dark, there are still monsters lurking, so he dashes at top speed to the car, throwing open the rear passenger door for Oz.

"Get in, get in!"

He has his hand also on the handle of the front passenger door. He'll ride shotgun. Because Reim will probably need some help driving, right?