The sump plug located on the base of the engine, it is accessed underneath the car
You may need to remove the sump cover
Undo the fixings - use a 6mm Allen key,Torx-30 and a Phillips screwdriver to do this
Do not forget to have a suitably sized receiving tray in place
With an oil catchment tray in position, use a 8mm Allen Key socket to carefully remove the sump plug and fully drain the oil.
When the sump has emptied, wipe clean the sump plug area with a paper towel and refit the sump plug and washer
Replace (new) sump plug and washer. Do not overtighten