Yes by voice, but no if you have to touch the screen. If you try, Waze warns you not to type and drive (even when the passenger tries).
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Quite right too, thank you for explaining.
Back to the OP, the new Renaults get the information from the cameras mounted on the front and rear bumpers. My 5E picked up a 50km speed sign as it was being put in place by a forest worker.
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Mine is a combination of the built in sat nav and the front facing camera. It’s quite clever that it knows to ignore signs with the panel below for trucks, caravans, slip roads, etc.
Could be fun when it spots a helium balloon celebrating an 18th birthday …
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Actually they are programmed to recognise the difference!
Wish we had that facility, even though it’s not wholly reliable, because my biggest problem driving in France is being unaware of the speed limit on a departmental road is it 80, or 90? Which department am I in at the moment? We live at the junction of the Aveyron (90), Cantal (90) and Lot (80). Often it’s the same road, but with differing speed limits.
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Just drive at 60 and let the others get to the bouchon sooner?
The answer is to buy a car that is at least 20yrs old, and a map book.
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And hope you don’t crash (as safety in an older car will be appalling!!)
modern cars will need to be even stronger than they are currently, if “phantom braking” continues
That rather depends on the particular car. My 27 yr old model has 6 airbags for example.
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I have noticed in the UK an increase in the numbers of intentionally vexatious drivers, who make a virtue of driving a long way below the speed limit, enjoying their ability to slow others and taking pleasure in their self-righteous indignation at being overtaken. I know these people exist because they tell others that’s what they do with pride, as well as encounter them on the roads.
As others have said,a lot of cars now recognise speed limit signs via their front facing cameras i.e. it’s not always a database thing. As long as the mobile works people make sure the signs are in place then the car will respond to them.
Physically maybe, but the D numbers change at the department border… 
I still think there is something else going on - no speed sign and the car beeps to tell us we are exceeding the speed limit, even though we are on a carriageway where the limit is 80. What there is, is a turning coming ON TO our carriageway. We’re doing 80 and the screen is showing (briefly) we should be doing 70 (or less). In other words, (presumably) the car is picking up some signal regarding the limit from the side turning.
And I’m still not sure anyone has explained how does the data for our sat-nav or google maps or wave or whatever get onto our car system except via satellite? Isn’t that why it’s called a sat-nav?
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My more modern car has 8 air bags linked to sensors. Depending on the type of crash I am having (head on, rear shunt, roll over etc) they inflate in different sequences. I have not yet actually tested them!
Possibly best keep it that way.
Via your car or mobile phone’s data connection.
Please do - I look forward to reading your review.