Hello, I would like to assist you with your question.
Unfortunately only the high beam bulbs can be replaced with the headlamp unit still installed in the vehicle, the headlamp unit has to be removed to replace the low beam bulbs
HERE are the workshop instructions for replacing the low beam bulb, indicating the necessity to remove the entire headlamp.
HERE are the workshop instructions for removing the headlamp.
HERE are the workshop instructions for removing the grille, which is a step in the instructions for removing the headlamp.
Please let me know if you have any further questions.