Flickering speedometer when driving on a S80 2016 Volvo

What is your question?

I have a S80 T5 2016 lately the speedometer is Flickering when driving , sometimes is shows the car display( when u first turn on the car and it shows if anything is opened or if u don't have ur seat belts on) display and the digital speedometer blinks and it show the trunk opened and now a new error the key not detected witch I will replace the remote batteries but my concerns is the Flickering digital speedometer. Any recommendations? Thanx..

What makes this problem better or worse?

??

How long has your 2016 Volvo S80 had this problem?

Just purchased the car 4 month ago don't know.i thing I bought someone else's problem.I