| Circuit Diagram |

Smart Cruise Control Unit Specifications
Smart Cruise Control Unit Repair proceduresHyundai Elantra AD (2016-2020) Service Manual: Heater & A/C Control Unit (Manual) Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box upper cover assembly.
(Refer to Body - "Glove Box Upper Cover Assembly")
3.
Loosen the mounting screws and remove the crash pad center lower cover [LH](A).
4.
After loosening the mounting screws, r ...
Hyundai Elantra AD (2016-2020) Owners Manual: System Operation
Ventilation
1. Select the Face Level mode.
2. Set the air intake control to the outside (fresh) air position.
3. Set the temperature control to the desired position.
4. Set the fan speed control to the desired speed.
Heating
1. Select the Floor Level mode.
2. Set the air intake control to t ...