Accessing CT hatch struts for lubrication

[Spuddy]

Hi. My 4 year old hatch creaks on one side. Dealer advised noises not covered and lubricated it. A bit better but has come back the past week or so. Competent to do it myself but can’t figure out how to remove the plastic cover that presumably is there for safety. Tried silicon spray but can’t get access etc. Any ideas or advice?

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