Who is reponsible for updating sat nav information?

A local road had its speed limit reduced from 40 to 30 in August 2023 but the GPS in my car still shows 40. Who's job is it to get a database updated when a speed limit is changed?

What's the best SUV for seniors?

Currently driving a Honda HRV and after 10,000 miles very satisfied with its performance to date, in both comfort and economy (55-57 mpg) My only fly in the ointment is the satnav which is a white, grey...

Where do in-car speed limit displays get their information from?

My new Mazda 2 displays incorrect speed limits in places, as did my previous one. I have been told cars "read" speed limits but also that they use software from other sources. Is one or other correct,...