[Fan of EV]

I have not noticed that specific behavior.

But I have noticed that it seems to default to a speed it apparently has stored internally sometimes even if we have just passed a speed limit sign that it correctly read. For example on one 40 MPH road I know of it will indicated 55 MPH until I pass a 40 MPH speed limit sign. It then correctly indicates 40 MPH for a short while then reverts to the incorrect 55 MPH even though the road character has not changed and there has been no speed limit sign.

I strongly suspect that the exact behavior will change each time there is a navigation update because that will update the stored road information which includes speed limit information.