[Click here][1] for a quick guide to managing key and lockboxes [1]: https://bareis.com/root-documents/forms/forms-1/key-and-lockbox-forms/137-supraweb-guide.html ...
**Supra XpressKEY Quick Start Guide** [Click here][1] for Supra eKEY Quick Start Guide. [1]: https://www.suprasystems.com/media/Supra-eKEY-Quick-Guide-RevD_tcm1105-192058.pdf ...
**I don't have cell service, can I still use my e-Key?** You only need cell service to update your eKey, you do not need it to open a lockbox or its shackle. You only need Bluetooth and battery life to utilize your e-Key. ...