the bluelink when not giving network errors is good and yes you can heat up, or cool the car with it. demist/defrost etc. seats and wheel too. mine was working before i went out this morning but not currently. i dont know if its a local mast issue or the car etc. it usually clears itself, tho occasionally you have to go into car and persuade it.
im still getting good mileage even in sport mode. motorway speeds are the enemy for battery distance, especially as you get less brake recouperation in that type of driving. in town its fab.
Current Car: Hyundai Kona Premium EV...2 way 40kg hoist
Last Car: Toyota C-HR Excel Hybrid...4 way 80kg hoist