What is a Tesla rear fan?

Tesla rear fan refers to the fan device located at the rear of the vehicle, which is used to help dissipate heat and keep the temperature of the battery system and motor within a proper range. Tesla automobile uses electric drive system, including high-performance battery pack and motor, so it needs effective cooling system to keep its normal operation. The rear fan usually consists of a fan, a radiator and related control systems. When the vehicle needs to dissipate heat, the rear fan will start, suck in the outside air and transfer the heat through the radiator. This helps to maintain the temperature of the battery and motor in a suitable range to ensure the performance and life of the vehicle.