The Clarity Electric’s battery technology was designed with thermal stability in mind. However, inclement weather may generally affect the battery performance of all electric vehicles, the Clarity Electric included. Extreme temperatures also often lead to an increased use of the HVAC system, which may result in a decreased driving range.
The available driving range for the Clarity Electric may be significantly reduced when the vehicle is operated in hot or cold conditions, due to some temporary battery capacity loss and increased use of air conditioning and heating. This is particularly true with cold temperature operation. Batteries work by chemical reaction, and the speed of the reactions decrease as the temperature drops, resulting in a temporary decrease in total battery capacity. Driving range is further reduced by increased heater and other accessory use. The heater, and all other accessories, draws power from the car's high voltage battery unless the car is plugged into a Level 2 (240V) charging system. Reducing accessory drain will improve overall driving range. As the cold temperatures subside, these reductions in driving range should subside as well.
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