When enabled, Driving Focus temporarily limits notifications like calls and texts. You can turn Driving Focus on and off on your iPhone, or set it to turn on automatically.

Siri can now announce your app notifications, in addition to calls and texts.

Take full control over notifications on your iPhone: Here's how to silence apps, change sounds and vibrations, and use Do Not Disturb.

Once the feature is activated, the iPhone can sense when you're driving and mute your notifications. How to silence your device while driving without iOS 11 ...

What happens when it is turned on? iOS 11's safe driving mode can detect when iPhone owners are driving and silence notifications so as not to disturb them.