Pre-conditioning, Parking Climate, Remote Start - Confused!

[EYEBALL119]

Originally Posted by Lexman8

Yes, they will work with remote start but only if the outside temperature at the car is <10C.

Thank you. They really don't explain it well at all...

[MaDProFF]

Originally Posted by Philip Fisher

Surely if you precondition in the garage you will fill the garage with fumes from the aux heater?

I assume one uses the battery as it works when plugged in.

The Other I know uses engine or something engine wise, will not start if plugged in. So if I used this one yes it would fill the garage. Hence I don't, and the fact that the car is always plugged in in the garage.

As I said mine is a T8

[MaDProFF]

Originally Posted by Lexman8

Yes, they will work with remote start but only if the outside temperature at the car is <10C.

How does that work the other way around to cool the car on a hit day? Is it 10C the other way?

[Milliner]

Originally Posted by MaDProFF

How does that work the other way around to cool the car on a hit day? Is it 10C the other way?

With remote start, the car will just heat or cool the cabin to whatever your set temperature is. If its cold (<10c), the auto heated seats and wheel etc also come on as they would if you got into your car and started it up. I don't think there's anything other than air con to cool the cabin is there? Ventilated seats maybe (I don't have them)?

With preconditioning, if you have all the required options on board, it sets the cabin to an unspecified 'comfort temperature'. Around 20C I'd imagine.

I think that's still correct anyway....

[tabber]

Originally Posted by EYEBALL119

I have read around the internet that the pre-conditioning/parking heater isn't available on UK models (Due to some legality) is this right?

That might be the electric parking heater (for hybrid models), which isn't available in the UK. In the UK they fire up the aux heater (fuel powered) to warm the car, but in other countries it can use the battery to power an electric heater. It's buried in the manual somewhere.

Irrelevant for you since you don't have the hybrid, but answering in case anyone else was interested :-)

[Philip Fisher]

Originally Posted by MaDProFF

I assume one uses the battery as it works when plugged in.

The Other I know uses engine or something engine wise, will not start if plugged in. So if I used this one yes it would fill the garage. Hence I don't, and the fact that the car is always plugged in in the garage.

As I said mine is a T8

MaDProFF. Mine is an XC90 T8 too. Mine has the aux heater therefore like yours. If I click pre condition on the app and the temp is low enough then it starts to warm up the car. You hear a pump running by the drivers wheel and can sometimes smell the exhaust from it. The smell comes from the wheel area too. I thought that this is exactly what happens plugged in or not. So even if plugged in you would use fuel to heat the car and generate fumes. Are you saying that your car gets warm without any fumes from the aux heater?

[MaDProFF]

Originally Posted by Philip Fisher

MaDProFF. Mine is an XC90 T8 too. Mine has the aux heater therefore like yours. If I click pre condition on the app and the temp is low enough then it starts to warm up the car. You hear a pump running by the drivers wheel and can sometimes smell the exhaust from it. The smell comes from the wheel area too. I thought that this is exactly what happens plugged in or not. So even if plugged in you would use fuel to heat the car and generate fumes. Are you saying that your car gets warm without any fumes from the aux heater?

I will let you know for sure, but I am guessing after talking to dealer, who supplied car, though he was not sure, and had to check, seems like it is a fuel aux heater, annoying as well in the manual they mention electric aux heaters for T8's

He I hope will come back to me once he finds out more and why UK models are not fitted with electric on t8's the whole point of a hybrid, and fumes etc. and even more so only works if plugged in.

[Philip Fisher]

Originally Posted by MaDProFF

.....and even more so only works if plugged in.

Hi, I hope you don't think that I am trying to pick apart what you are saying but....

In what you say above, are you saying that your pre-conditioning heating only works when it is plugged in? If so then there is definitely something wrong.

In my experience the T8 pre conditioning heating works perfectly when not plugged in. In fact I can summarise below for my 2016 XC90 T8:

Plugged in:

Temp below 10c. Car warms using (we think) aux fuel burning heater.
Temp above 22c ish. Car cools using air conditioning.

Not-plugged in:

Temp below 10c. Car warms definitely using aux fuel burning heater.
Temp above 22c ish. Car cools using ambient air drawn in from outside.


The only bit I am not 100% certain of is the first statement where I added in "I think". The other statements are absolutely correct for my car based on using the car for 2.5 years.

[Lexman8]

Originally Posted by MaDProFF

How does that work the other way around to cool the car on a hit day? Is it 10C the other way?

If you use ERS the climate system will heat or cool the car to get to the temperature which was set at previous switch off.

If you have the aux heater fitted and don't use ERS but use pre-conditioning via the app to cool the car on a hot day then external air is blown through the car to help cool it. The aircon isn't used as that would require the engine to be running. All this is true for D5 and T6 XC90s. A T8 may behave differently to this? (And XC60s, etc, different again?)

[Lexman8]

Originally Posted by Milliner

I don't think there's anything other than air con to cool the cabin is there?

See my post #19 above re forced ventilation on a hot day.