The specific steps are as follows:

1. On the official WeChat account search page, search for ETC, and click on the official WeChat account of expressway in your area on the result page.

2. Enter the WeChat official account chat window interface, find and click XX Expressway.

3. In the new page, find the bill query and click Enter.

4. Click on your customer number to enter. If you have not bound your ETC account before, you can click Add More Accounts.

5. Enter the bill inquiry page, find and click on the historical bill.

6. In the new page, select the month to query, display the bill information of the current month, and click View List of the current month.

7. In the new page, you can query the consumption details of ETC in the current month.