My display dont change light color

What is your question?

The light display in my v70 2009 used to cvange from black back ground to white o e when theres light ( like in the morning) but now it doesnt. It just stuck at the black background even in morning Regards Sam

What makes this problem better or worse?

All the time sme thing for a week now

How long has your 2009 Volvo V70 had this problem?

One week