This is what I'm using in VB:
Pano Roof:
https://owner-api.teslamotors.com/api/1/vehicles/" & CarID & "/command/sun_roof_control?state=open?vehicle_id=" & CarID
AC Temps:
https://owner-api.teslamotors.com/api/1/vehicles/" & CarID & "/command/set_temps?passenger_temp=27&driver_temp=25?vehicle_id=" & CarID
Custom Charge Limit:
https://owner-api.teslamotors.com/api/1/vehicles/" & CarID & "/command/set_charge_limit?percent=80?vehicle_id=" & CarID
All other commands work so my syntax must be wrong.
Pano Roof:
https://owner-api.teslamotors.com/api/1/vehicles/" & CarID & "/command/sun_roof_control?state=open?vehicle_id=" & CarID
AC Temps:
https://owner-api.teslamotors.com/api/1/vehicles/" & CarID & "/command/set_temps?passenger_temp=27&driver_temp=25?vehicle_id=" & CarID
Custom Charge Limit:
https://owner-api.teslamotors.com/api/1/vehicles/" & CarID & "/command/set_charge_limit?percent=80?vehicle_id=" & CarID
All other commands work so my syntax must be wrong.