How do you remove old Grohe shower handle

[Takeya40]

Per title. Need to remove handle to identify shower cartridge. No apparent set screw. Only visible hole leads to nothing. Any help is appreciated. Note that water stops not turning. Trying to avoid a do or die or situation.

Update: Heard back from Grohe. The top part of the handle slides off to reveal hidden screw. Some cursing and elbow grease was enough to pop it off

 

[PeakyBlinders]

Hey there, can you elaborate on this: The top part of the handle slides off to reveal hidden screw. Some cursing and elbow grease was enough to pop it off.

Were you able to unscrew the hidden screw using a 3mm wrench? Or did you force it off? I found the screw as per your instructions and the painting, but it looks much larger than a 3mm wrench would fit, and any other wrench i tried does not catch.
Would appreciate if you provided any details. Thank you!

 

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[TJRAD]

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