For Discovery 3/LR3 and Range Rover Sport up to 2009 This cannot be done since Land Rover never implemented it. Aftermarket kits are available.   For 2010 and up vehicles fitted with a FBH (not the electric heater) IIDTool Menu->Car Config->HVAC Ventilation-> FBH Call Start is equal to Fitted radio.  This is the one related … Continue reading How do I enable timed climate (park heat)?