I have the same problem of not being able to activate ExtendedGrip
I have tried all ABS ECUs and all of them make ABS icon flashes in the cluster but it cannot save Extended Grip feature
I have same errors as well
Hello,
ok, I think maybe this option is not available and cannot be activated in your "PH2" Kadjar... sorry, but I have no other ideas, too...
perhaps additional you can try to ask in the facebook group for "ddt4all"... 
so you have done this and then soft-reset...
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then activated "EG" in cluster and did reset...
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and last you activated the feature in RLink and did "Hard-Reset"...
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and after all this, it will not take affect by activating on RLink screen... 
Also i have set parking sensors in front cluster
Now i really want to remove sensors from rlink so the camera can take the full screen as the screen is not that big
I think this will not be possible... at least I don't know any option to change the screen in "reverse-gear-mode"... 