Larry Laws: The 240-volt charger has more power and can preheat the cabin a little bit better, but the engine cycling is based on ambient temperature and coolant temperature and neither (240-volts or 120 volts) will prevent the engine from coming on when it is extremely cold. I've read that warming off the 110 charger will still result in the ICE coming on at times of battery depletion or extreme cold. Because I mostly charge overnight I haven't opted for the 220v charger and use the 110 version that came with the vehicle. Q: I use the OnStar warm-up function when my car is in the garage and plugged in on cold days. Below that, we recommend you keep the car plugged in. Larry Laws: The battery is designed to start the car at temperatures as low as -30 degrees Celsius. Will the battery be warm enough to start the car? I am wondering what will happen when we have a REALLY cold day, perhaps it never gets above 0 degrees, when my Volt is parked outside for maybe 8-10 hours. It's starting to get quite cold here in Minnesota (0 degrees this morning). Mountain mode is used for high-load conditions. It's more efficient (and better for the environment) to charge the battery off the wall. Larry Laws: In the energy equation, it's not better to charge the battery from the engine.
#Chevy volt range in cold weather generator#
Q: Is there any overall energy advantage to running in Mountain Mode once the generator starts to charge the batteries so that you can run additional time later off the batteries? I noticed that the generator is really working in Mountain Mode and would assume it is using more gasoline during that time. Larry Laws: It's actually the Volt tires that give the car good snow performance.
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