You will need to remove car's undertray / open the sump access cover
Undo the fixings - use a 10mm socket
Don't forget to have a suitably sized receiving tray in place
Use an 8mm square 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
Replace (new) sump plug and washer. Do not over tighten - Replace undertray
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