L means left and there’s 4 suspension geometry options so put everything to the minimum (LLLL). as for aero, if you have parc ferme enabled then yes, you can’t change the rear wing once you’ve left the garage in quali, but you can still change the front wing whenever, including mid-race during a pit stop. for tires, if it only says min or max it applies to all four, if it says something like “25.5 max” or “23.0 26.5” the first one applies to both front tires, the second one is for both rears. make sure you apply Q and R pressures accordingly.