How do I set up automatic replies for incoming text messages on my iPhone?

Turn on Auto-Reply

They can choose to notify you anyway by sending "urgent" as an additional message. Go to Settings > Focus, then tap Driving. Tap Auto-Reply. Select an option, like No One, Recents, Favorites, or All Contacts.

Use the Driving Focus on your iPhone to concentrate on the ...

Jerzyboy7373 wrote:

A colleague of mine recently went on vacation. She was out the country and could not reply to text message so she set up an auto reply. I believe the auto reply message was customized, not generic.

Check with your carrier. They may offer an option for a vacation message for your SMS messages.

This feature exists only while driving.