[ eventually, he stops glaring at wolfwood and glares out the window, too annoyed and upset and still so angry to try and reach out to apologize or explain anything. he puts his seatbelt back on because that's the right thing to do in a car but otherwise refuses to acknowledge anyone.

when they reach the hotel, vash does quietly thank meryl, but before he can untangle himself from his seat, wolfwood and meryl are both out of the car. probably for the best. vash isn't even sure how he'd ask for it.

the manager on duty looks askance at them but she's used to not asking questions. when wolfwood asks, she jerks her thumb toward a large box in the corner, a wooden sign saying "lost and found" hanging over it. ]

If housekeeping did, it'd be in there. Lemme check if they've already cleaned it.

[ she disappears into the back for a minute to talk to someone, reappearing shortly after. ] They've already been through your rooms, so if you left anything, it's in the box.