If you are referring to using automatic tracking of mileage in the QBO mobile app, piper-cub_driver, we can perform some troubleshooting steps to ensure your trips are recorded accurately. I'll provide additional information and tips to enhance your overall experience.
First ensure your app is updated to the latest version.
On iOS (iPhone and iPad) follow these steps:
You can also update apps manually on your Apple device.
1. On your device, open the App Store.
2. Select the Today tab, then select your profile.
3. In the Available updates section, look for the QuickBooks mobile app.
4. If you see the option, select Update.
On Android (phone or tablet), here's how:
You can also use Google's steps to update your app.
1. On your device, open the Google Play Store app.
2. On the home screen, tap your profile icon.
3. Tap Manage apps & device.
4. Select the Manage tab.
5. Select the Updates available filter.
6. Find the QuickBooks Online mobile app, and select the checkbox. Then select the update icon.
If these steps don't resolve the issue, I recommend contacting our support team for further assistance. They have the necessary tools and permissions to securely access your account and provide personalized guidance, ensuring that you can smoothly continue managing your mileage in QuickBooks.
Here's how:
1. Log into your QuickBooks Online account.
2. Click on the Help button located at the top of the page.
3. Navigate to the Search tab, enter your query, and press enter on your keyboard.
4. Select Contact Us.
5. Under the Callback option, click on the Have us call you button to input your details.
6. Finally, choose Get a Call to receive a callback from support.

For comprehensive guidance on resolving mileage tracking issues in the mobile app, open these link: Fix mileage tracking issues in the mobile app.
For future reference on recording business miles for one or more vehicles, check out this article: Automatically track mileage in QuickBooks Online.
If you have any more questions about your mileage in QuickBooks, please don't hesitate to ask here in the Community. We're here and ready to assist you further. Have a nice one.