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I leave mine on most of the time now as if I forgot to use it in the winter the gas seemed to escape. Don't know where it went though... when re-gassed and tested for leaks couldn't find any. Costs around £85 to have it re-gassed so cheaper to leave it on all the time. Also, not to forget that the aircon is used to cool the batteries too. Now whether it uses this facility of its own accord I'm not entirely sure - I'm thinking the car does make the decision to aircon cool the batteries without any contribution from the driver. That being the case though there still has to be some gas in the system for it to be able to work in the first place.And if anyone doesn't already know this, if - on a very hot day and you've got the aircon set to 18 centigrade - the snowflake symbol starts to flash, then chances are it's running low on gas. The fact that the air coming from the vents is not very cold at this point is also a clue. I think the car will in fact turn the aircon off if there is insufficient gas so it doesn't damage itself. The flashing symbol can I believe also be indicating any other sort of aircon malfunction, but in my experience aircon usually malfuntions because the gas has depleted.My old Citroen Xantia of days gone by didn't ever have its aircon re-charged and it still worked perfectly when I sold the car for £800. I think it was about 12 years old by then. I only ever used the aircon when it was really hot, rarely in the winter. I'm suspecting that todays 'eco friendly' aircon systems are not as robust as ozone depleting systems of the past.
I leave mine on most of the time now as if I forgot to use it in the winter the gas seemed to escape. Don't know where it went though... when re-gassed and tested for leaks couldn't find any. Costs around £85 to have it re-gassed so cheaper to leave it on all the time. Also, not to forget that the aircon is used to cool the batteries too. Now whether it uses this facility of its own accord I'm not entirely sure - I'm thinking the car does make the decision to aircon cool the batteries without any contribution from the driver. That being the case though there still has to be some gas in the system for it to be able to work in the first place.
And if anyone doesn't already know this, if - on a very hot day and you've got the aircon set to 18 centigrade - the snowflake symbol starts to flash, then chances are it's running low on gas. The fact that the air coming from the vents is not very cold at this point is also a clue. I think the car will in fact turn the aircon off if there is insufficient gas so it doesn't damage itself. The flashing symbol can I believe also be indicating any other sort of aircon malfunction, but in my experience aircon usually malfuntions because the gas has depleted.
My old Citroen Xantia of days gone by didn't ever have its aircon re-charged and it still worked perfectly when I sold the car for £800. I think it was about 12 years old by then. I only ever used the aircon when it was really hot, rarely in the winter. I'm suspecting that todays 'eco friendly' aircon systems are not as robust as ozone depleting systems of the past.