Waze Beacons are installed in tunnels, where GPS signal is lost. The Beacon is a Cost-effective, battery-operated, low-energy micro-controller hardware that sends a one-way signal to a user's phone or tablet without capturing any information about the user.

To enable the feature on Google Maps, select your profile from the top-right corner of the app, and then choose Settings > Navigation Settings. Then, scroll down to the bottom of the page, toggle on Bluetooth tunnel beacons, and select Allow when Google Maps asks for permission to enable it.

You should update Google Maps every once in a while to ensure you can use all of its latest features, like sharing your location. It's also a good idea to update Google Maps so you can get the latest and most secure system available. Here's how to update Google Maps on an iPhone or Android phone.