Hyundai Elantra: Air Conditioning System / PM Sensor
Description and operation
Monitor the air quality inside the vehicle in real time (PM sensor) and display the status on the screen.
Automatically operate when fine dust concentration is high (Condition: Bet mode + A/C ON + 3rd speed or higher)
Components and components location

Repair procedures
1. | Disconnect the negative (-) battery terminal. |
2. | Remove the crash pad air vent [RH]. (Refer to Body (Interior and Exterior) - "Crash Pad Air Vent") |
3. | Loosen the mounting screw and remove the PM sensor (A). 
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4. | Install in the reverse order of removal. •
| Replace any damaged clips |
•
| Make sure the connector is connected properly. |
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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...
Other information:
Warning and control
Lane Following Assist
If the vehicle ahead and/or both lane
markings are detected and your vehicle
speed is below 112 mph (180 km/h), the
green indicator light will
illuminate
on the cluster, and the function will help
center the vehicle in the lane by assisting
the steering wheel.
CAUTION
When the steering wheel is not assisted,
the green indicator light will
blink..
Release Residual Pressure in Fuel Line
•
There may be some residual pressure even after "Release Residual Pressure in Fuel Line" work, so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.1.Turn the ignition switch OFF and disconnect the battery (-) cable.2.Remove the fuel pump ..