No, you cannot return the Car Wi-fi device at the car rental outlet.
Please follow the return procedure described in the enclosed user guide or reservation Confirmation Email.
If you lose the device because you returned it to the rental car outlet, you will be charged a damage fee (23,980 yen/device).
In addition, if you can not return the device to TOCOO! as scheduled, you will be charged the late fee for the number of days that have passed (750 yen/day/device).
However, rental fees and communication fees will not be charged.