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I've been having the exact same scenario as you... same temps, same settings and finding the engine wants to run for a little while. But, so far it also seems that if I've pre-warmed the car, it doesn't do it.Pure speculation on my part, but I was thinking it had something to do with a cold battery pack not being able to discharge enough power should you need it?? So it runs the ICE and pushes current into the battery to help warm up the pack? I'm guessing the battery heater doesn't start until the car is started? But also takes some time to get heat into the battery? And so until the pack has reached a sufficient temp, it needs the help?And then, does pre-warming the car and the act of using enough juice to pre-heat for 10 minutes also warm up the pack enough that it doesn't need to turn on the ICE and juice the pack?Perhaps someone with more knowledge or cold weather experience can chime in on whether this might be the case? This is the first winter I've had the car. I'm on the west coast of Canada so not much of a winter over here. Typical lows are in the 40 to 50 F range.... but it has been a bit cooler than normal lately with overnight temps hitting freezing and my car sits in an open carport.
I've been having the exact same scenario as you... same temps, same settings and finding the engine wants to run for a little while. But, so far it also seems that if I've pre-warmed the car, it doesn't do it.
Pure speculation on my part, but I was thinking it had something to do with a cold battery pack not being able to discharge enough power should you need it?? So it runs the ICE and pushes current into the battery to help warm up the pack? I'm guessing the battery heater doesn't start until the car is started? But also takes some time to get heat into the battery? And so until the pack has reached a sufficient temp, it needs the help?
And then, does pre-warming the car and the act of using enough juice to pre-heat for 10 minutes also warm up the pack enough that it doesn't need to turn on the ICE and juice the pack?
Perhaps someone with more knowledge or cold weather experience can chime in on whether this might be the case? This is the first winter I've had the car. I'm on the west coast of Canada so not much of a winter over here. Typical lows are in the 40 to 50 F range.... but it has been a bit cooler than normal lately with overnight temps hitting freezing and my car sits in an open carport.
