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Discussion Starter · #1 ·
Hi, I just changed the battery on my 2014 CLA 250. Now dash messages me "License plate lights out" when I start even though it is the inside trunk lights that are out not the plate's.. Then when I go in reverse, I get message "trunk open park assist cancelled". Also the rear windows won't respond up or down.
Any help is appreciated
 

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Disconnect ground
Close doors trunk hood pano windows
Let sit for an hour
Carefully reconnect ground and reset windows

Hope that solves
 
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