What happens when my check-in period expires? Q: What happens when my check-in period expires? A: Once your check-in period expires, the Driver of the vehicle will be restored to the assigned Primary Driver of the vehicle, or will show up as Unassigned, if there isn’t a primary driver. Related articles Karz Integration What if a driver tries to check-in to a vehicle that has already been checked-into by another driver? Welcome Email - Setup your account password Zubie app - Driver Check in