Iphone 14 pro will not vibrate or sound off when phone is face down.

Hi SunnyRain31,

We appreciate you reaching out to us.

1. We’d like to gather additional details that may help us be in a better position to assist you.
2. Does it help if you restart your device? Restart your iPhone - Apple Support
3. Are you experiencing the issue with certain apps or features?
4. Are you experiencing the issue on certain locations?
5. Does your device vibrate when actively using an app? For example, when playing a game?

In the meantime, let’s check for a software update and make sure that you are running the latest version of iOS 16.

While it isn't inherently assured that an update will resolve the issue, updating to the latest software version for your device can help isolate potential software issues. 

Kindly secure a backup and update.

1. How to back up your iPhone, iPad, and iPod touch - Apple Support
2. Update your iPhone or iPad - Apple Support

Then, disable vibrate, and enable it back.

The steps below can guide you.

1. "On iPhone 7 and later, go to Settings > Sounds & Haptics. On earlier iPhone models, go to Settings > Sounds.
2. Choose what you want to adjust, like Ringtone or New Mail.
3. Tap the alert tone that you want. You can also tap Vibration and choose a vibration pattern or make a custom vibration."

If you are using a custom vibration, please disable it.

Then, check if disabling your custom vibration helps.

1. "Go to Settings > Sounds & Haptics or Settings > Sounds. 
2. Select an option (like Ringtone or New Mail) under Sounds and Haptic Patterns or Sounds and Vibration Patterns. 
3. Tap Vibration, then tap Create New Vibration.
4. Tap the screen to create a pattern, then tap Stop.
5. Tap Play to test your vibration.
6. Tap Save and name your pattern. You can also tap Record to redo the custom vibration."

You can use the article below as a reference.

How to put your iPhone on vibrate, ring, or silent mode - Apple Support

As for the Bluetooth-related issue, please try the steps below.

1. "Make sure that your Bluetooth accessory and iOS or iPadOS device are close to each other.
2. Turn your Bluetooth accessory off and back on again.
3. Make sure that your Bluetooth accessory is on and fully charged or connected to power. If your accessory uses batteries, see if they need to be replaced.
4. If there's an app that you use with the Bluetooth accessory, go to Settings > Privacy & Security > Bluetooth on your iOS or iPadOS device, and make sure that you've turned on Bluetooth for the app."

You can use the article below as a reference.

If you can't connect a Bluetooth accessory to your iPhone or iPad - Apple Support

Since we have limited details regarding the Bluetooth-related issue you are experiencing, please get back to us with additional information about that issue.

For example, are you not able to pair any Bluetooth device at all?

Have you had the chance to reset your Bluetooth devices?

Please keep us posted.

Take care!