Before you get started, make sure you have location services enabled in the system settings. You whoever you’re sharing commute updates with also need to have + profiles. You don’t have to actually use them, but the profile must be enabled. Once the prep work is out of the way, head into the app open the settings. You’re looking for Accounts & privacy > Commute sharing. In this menu, you need to flip the toggle to share your commute updates. In order to choose who sees these updates, tap the line right above the toggle reading “Choose who can see your location using + sharing.” This will open the location sharing settings where you can add individual people or entire G+ circles under npoint location. This person (or people) will then get a Now notification when you start your commute home. How does know when you’re leaving work? That’s why you have location services enabled. is smart enough to know where you work where you live thanks to G (you can also explicitly set your home work addresses in Maps). You can remove people from location sharing at any time, or just shut off commute sharing in the settings.