Disconnect the negative battery cable.
Remove the battery and its tray.
Remove the air filter element.
Disconnect the vehicle speedometer sensor connector.
Remove the vehicle's speedometer sensor.
Apply gear oil to a new O-ring and install it to the vehicle's speedometer sensor.
Install the vehicle's speedometer sensor.
Tightening torque: 7.8 - 11.3 Nm.
Plug in the vehicle's speedometer sensor connector.
Install the air filter element.
Install the battery and tray.
Connect the negative battery cable.