You will need to remove the undertray
Undo the fixings using a 10mm socket
General location of the sump plug
Don't forget to place a suitably sized receiving tray in place
With an oil catchment tray in position, use a 13mm spanner or 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 re-fit the sump plug and washer. 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 over-tighten. Replace the undertray
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