Hyundai Genesis (DH): Cooling System / Thermostat Troubleshooting

Removal and Installation     Removal of the thermostat will have an adverse effect, leading to lowered cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.

Description The AAF (Active Air Flap) is located between radiator grille and radiator, and consists of an actuator and 6 air flaps. The system receives information from EMS, FATC, TCU, MCU and LDC via CAN communication .