The batteries are designed to function properly in a variety of climates. The battery charge can be reduced depending on how long the vehicle is exposed to extremely warm temperatures for a long time, as energy is used to cool the batteries. Similarly, in the case of extreme cold temperatures, the charge will be reduced because energy will be used to heat the batteries. Additionally, the vehicle might need to run in Hybrid Mode for a few minutes before being able to drive in all-electric mode if the battery needs to be warmed to operating temperature.