And it's never quick, either, like "in 50 meters turn left", is it?
"In 50m stay in the left hand lane marked
'left turn only towards Manchester, Salford, Liverpool, Eccles, M60, M602, M62, A580', then in 200m take the exit following signs for 'Manchester, Salford, Liverpool, Eccles, M60, M602, M62, A580' then at the fork take the left exit towards 'Manchester, Salford, Eccles, M602, A580' and we've found a quicker route that saves nine seconds and avoids congestion on the M602 Manchester Approach Road West via the A580 East Lancashire Road and A580 Salford Bypass. To not avoid unselecting this not route don't unpress the button."
I feel like the voice prompts are especially unhelpful if I am unfamiliar with the roads. Looking at the map shows me the next one or two turns at a glance and also shows me which lanes I need to take.
Nothing will compare to last week when I was listening to a podcast in the car. The GPS will pause podcasts instead of turning down the volume. So I heard "well, this looks like a MUR - turn right on baker st - DER!". I bust out laughing all by myself in the car.
Just.. turn it off then? GMaps has a setting that only plays a sound when you take a wrong turn. If you keep half an eye on the navigation this works very well.