1. Disconnect the wire from the negative terminal ("-") of the battery.
2. Remove the radiator guard.
3. Unscrew the two mounting bolts and remove the sensors, disconnecting the connector.
Install the new sensor in the reverse order.
(Original version of the article on the website: hyundaibook)
After installing the sensor, turn on the ignition on the dashboard, the control lamp should light for 6 seconds, then go out. This indicates that the sensor has been replaced correctly.