| Component |

| Removal |
| 1. | Disconnect the negative(-) battery terminal. |
| 2. | Remove the AVN Head unit. (Refer to Body Electrical System - "AVN(Audio Video Navigation) head unit") |
| 3. | Loosen the mounting screws and remove the start/stop button (A).
|
| Installation |
| 1. | Install the start/stop button. |
| 2. | Install the AVN head unit. |
| 3. | Connect the negative (-) battery terminal. |
Component Location1. Smart key unit (IBU)2. Interior antenna 23. outside door handle4. Interior antenna 15. FOB Key6. Door antenna1. Bumper antenna2. Trunk antenna
Description DescriptionThe auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuat
Repair procedures Inspection1.Measure the resistance between the terminals.2.The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)Replacement1.Disconnect the negative (-) battery terminal.