Have the same issue on my 2018 sport nav. It's been like this from new so not sure if it's a quality issue. Been using maguires but it doesn't last after about a week it goes streaky again. Just ordered some g techniq c4 trim restorer and waiting for some good weather to prep and treat it properly.

Update on my last post- It was placed back into transport mode and back out again in the hope this would solve it....it didn't. So it went back in today and they have completed an update in the hope this will have cleared it. It has also been raised with vauxhall but hopefully this will have worked🤞...

I've been having the same issue for a while. Ding noise followed by the sat nav suggesting a number of nearby garages, before disappearing. There are no warning lights however. Taken back to dealership who had it for the day and found nothing and no logs :roll: . Continued driving and still having t...