How to use the Wallace bag bought by Aauto faster?

The merchant has a scanner gun. When spending in Wallace store, open Aauto to find Wallace coupons faster, and there will be a code on it, which can be used directly by scanning merchants.

On the menu page of automatic shortcut function, click to enter the automatic shortcut store. Find the coupon option on the page and click Enter. Click the use option behind the coupon.