How to use Huawei's wisdom to refuel?

Open Huawei's mobile phone, slide the negative screen to the right, and search for "smart refueling" meta-service. Click the "Intelligent Refueling" meta-service in the search results to enter the intelligent refueling page. On the smart refueling page, you can see the nearby gas stations and preferential information, and you can also choose the oil gun number and payment method. Select the right gas station, and then click Navigation. After the payment is completed at the gas station, the system will automatically issue an invoice and send it to the mobile phone.