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Graphical Processing Units (GPU) have become a vital source for data processing in many advanced or smart technologies. They have proven to be faster and more efficient than the Central Processing Unit (CPU) in computing large data sets. The automotive industry has adopted GPUs for Advanced Driver Assistance Systems (ADAS), but other systems like electric vehicles and autonomous vehicles will also employ GPUs soon. Although GPUs are faster at computing large data sets, there is the challenge of a substantial increase in core temperature during the process. This review paper primarily focuses on Active and Passive cooling methods for GPUs in automotive. The paper commences by addressing the role and need for GPUs in the automotive industry and explores the challenges faced by them and the factors that lead to an increase in temperature. The paper further reviews various cooling methods used …