To update your vehicle information, you can easily delete your existing vehicle and enter the new information. Here's how:

1. Open the app and go to the main page.

2. Find your existing vehicle number field and tap on it.

3. A list of your saved vehicles will appear. Click on the "X" beside the vehicle you want to delete.

4. Once the old vehicle number is deleted, tap on the vehicle number field again and enter your new vehicle information.

That's it! Your new vehicle information is now updated in the app.