start and drive start and drive 12V battery charging failure warning light: When the charging system fails, the warning light will be on. Seat belt not fastened warning light : When the system detects that the driver's seat belt is not fastened, the warning light will be on. If the warning light stays on after the seat belt is fastened, it indicates a fault with the seat belt system. Air suspension system failure warning light: When the performance of air suspension system components fails/temporarily weakens, the yellow warning light is on; when the air suspension system fails, the red warning light is on, and the system disables the air suspension system at the same time.