Philips car large screen multi-display heating may be due to long-term use or high load operation, it may also be due to poor circuit board design or insufficient cooling system. To solve this problem, you can try to reduce the use time or reduce the brightness and volume to reduce the load. In addition, regularly clean the heat dissipation holes and vents to ensure good heat dissipation effect. If the problem persists, it is recommended to contact Philips customer service.