Rear Brake Assist Warning

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Todd
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Hi. So, never happened before (unlike the frequent front camera fault warning, ugh), but over the last three days, EVERY time I hit dial into reverse, I get a "Rear Brake Assist Not Available" (or something close to that) and one other related warning. What is this? Am I just behind on a software patch or something? Thank you for any thoughts.
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ChasingCoral

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Could anything be blocking the rear radar sensors like a bike rack?
 

AKgrampy

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Any recent updates? I would at least turn it off and then back on.
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