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'Poor Weather Detected' on NoA

Sparkeur

Member
Feb 23, 2020
473
661
Nouvelle Aquitaine
I have a 20 mile autoroute trip most days and have now become quite comfortable dropping into Navigate on Autopilot and letting autosteer and lane change cruise me to my destination. This morning, it was pouring with rain and I received the message 'Poor Weather Detected, NoA limited'. Fair enough but...all that seems to happen is the single blue line on the display is replaced by doubles with the car image in the middle. Autosteer, speed control and exit continue as normal as does auto lane change. So, my dumb question...does anyone know what is actually 'limited'?
 

Envchem

Member
Nov 13, 2019
196
170
Liverpool, UK
Last time I got that message it would not change lines when I indicated. That was the only restriction i had. the moment the poor weather message cleared it went back to swap lanes as normal.
 

VanillaAir_UK

Well-Known Member
Jun 17, 2019
8,464
5,995
Surrey, UK
I think its a more specific version of the camera blocked or blinded message - that will often not allow an auto lane change to the side that the camera is blocked.

Not a hard and fast rule but as well as the restrictions already noted, ie no thin blue line, often auto lane change restrictions, and no lane change suggestions, it will also not auto navigate off a motorway exit ramp - a word of warning, when this situation arises, if the car drives through the intersection still on the motorway (ie it hasn't turned off), it will still think that it has turned off so the car will behave and slow as if it is travelling up the slip road and stopping at the end - even when the car was doing 70 in lane 2 :eek:
 
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VanillaAir_UK

Well-Known Member
Jun 17, 2019
8,464
5,995
Surrey, UK
On a recent drive testing 2021.4.21.2 I got the 'Bad (poor?) weather detected' on very busy M3. Auto lane change continued to work fine even though the thick blue line was now the 2 lane markers.

What was weird about it was that the rain was so light it didn't need to put the wipers on for more than the odd flick. However, looking ahead, the traffic really started to bunch and brake lights come on and you could see the rain falling ahead, but not where I was. It was almost as if the car was aware of the oncoming rain shower that I was about to enter. I cannot recall seeing any noticeable spray from the road that may have confused it.
 

Envchem

Member
Nov 13, 2019
196
170
Liverpool, UK
Right so this morning I got the poor weather message again on M56. Raining and at some points with a lot of spraying going around so there was reduced visibility indeed. What I noticed this time was that if I was indicating it would change lanes as normal but it would not do the change lane suggestion thingie. A bit of anecdotal evidence to be honest but it is what I noticed :)
 

goRt

Member
Nov 22, 2016
440
261
Original Hampshire ;-)
Right so this morning I got the poor weather message again on M56. Raining and at some points with a lot of spraying going around so there was reduced visibility indeed. What I noticed this time was that if I was indicating it would change lanes as normal but it would not do the change lane suggestion thingie. A bit of anecdotal evidence to be honest but it is what I noticed :)

What s/w version?
 

AnthonyLR

Member
Feb 21, 2020
659
507
London
Forgive my ignorance, but will the car change lane if you put the indicator on even though it was not suggesting a lane change? I don't think I have tried that.
 

Envchem

Member
Nov 13, 2019
196
170
Liverpool, UK
Move it the whole way. Whenever I do three blink the car will either completely ignore it or even worse it will start trying to go to the next lane and then move back to its original position.
 
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GeorgeSymonds

Active Member
Mar 16, 2018
1,376
1,002
UK
Given your profile name and the use of “autoroute”, you’re not on the continent where there are variable speed limits depending on the weather?
 

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