Activate the programmed HomeLink actions through the phone app. This would enable me to open and close my garage door via my mobile phone while the ModelS is parked in the garage.
Requires to add HomeLink in the API. May require a settings option in the car to prevent such operation for security concerns (if the phone is stolen/lost).
The iPhone app now supports this (Jan-2016) as part of the 7.1 release. The car must have Auto-Pilot and it appears on the Summon app screen.