Tried it again today but I sat in the car and manually turned it on.
The engine was stone cold, it was 7˚c outside.
At first the air was cold and fan speed very low, it took 5 mins to blow luke warm air and the fans got a little faster iit got warmer by 10 mins and the fans were a little faster.
While testing, remember the ignition is off and MMI screen down.
I was able to change which vents were blowing in the usual way but could not see the MMI, just symbols on the LCD.
For this to work, I do suspect that an adaptaion needs to be made ref my previous post to fire up the aux-heater when required by the temp set on the HVAC control. All it really is is the rest /residual heat function but with the aux-heater coming on.
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