1. Open the little red car application, enter the "Settings" interface, find the "Download Settings" option, and click Enter.

2. On the download settings page, find the "download path" option, and click the "Change" button on the right to enter the interface for selecting the download path.

3. In the interface of selecting download path, find the current download path and other alternative storage paths. If you want to change the download path to SD card, you need to find the storage path of SD card first, and then choose this path.