"请输入车牌号:" --> Please input the registration number (exclude the last word "港" or "澳")
"请选择车牌类型:" --> Please select the type of car. e.g. "香港入境车牌" for the car in Hong Kong
"车架号后4位:" --> Please input the last 4 digits of the VIN of the car. It would not shown the name of the owner of the car in the result if the 4 digits are wrong.
Note: as 养路费 was replaced by petroleum tax since 1 January 2009, therefore the information of the database is not updated.