Here is Pro Connect how to enter https://proconnect.intuit.com/support/en-us/help-article/electronic-filing/enter-vehicle-expenses-sc...

Maybe you can use this Lacerte help to figure out if you need to resolve https://proconnect.intuit.com/support/en-us/help-article/federal-taxes/resolve-diagnostic-ref-584-sc...

Some Critical Diagnostics do not need to be resolved to e-file. As long as you are sure the 4562 looks right and that it really does not need any more attention, just go ahead and file the return. You can talk with contact Support EITHER https://proconnect.intuit.com/community/proconnect-tax-news-updates/discussion/proconnect-tax-assist... OR https://proconnect.intuit.com/support/en-us/help-article/intuit-account-settings/contact-proconnect-...

OR NEW!!! https://proconnect.intuit.com/community/proconnect-tax-news-updates/discussion/proconnect-tax-assist...