Here’s where the Smart Lock setting can be found on these common smartphones:
Samsung phones — the Smart Lock settings can be found by going to Lock Screen and Security. In the Secure Lock Settings submenu, select Smart Lock. Once you’re in the Smart Lock screen, go to Trusted Devices, choose Bluetooth, and then select ZT air vent/ ZT dashboard from the list to add it.
- HTC and LG phones — go to Security settings, then Smart Lock, and then Trusted Devices. Select Add Trusted Device, then tap on Bluetooth. In the list of devices, select ZT air vent / ZT dashboard to add it.