First check to see if there is an instruction manual. If there is an instruction manual, follow the instruction manual to unpack.

General passwords for trolley boxes are 000. You can use 000 to test if the box cannot be opened.

You can ask Citibank’s customer service staff what the password is for the complimentary trolley case. (You can call the bank’s customer service number)

Look at the brand of the trolley suitcase and go online to find the initial password for that brand of suitcase.

Ask your friends who use Citibank cards if they have received a gift box and what the password is.