OK I have the remote Aux heater fitted as a factory option , I've just tried it again (temp outside 5.5C) and nothing has happened. As per the manual I switch it on by holding the 'on' button for 2 seconds the green LED blinks indicating that the remote has made contact with the unit, 20-30mins later I get in the car and nada it's as cold as ever.
Am I missing something?