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They will have fail-safes & redundancy contingencys in the system but there will be times when it gets it wrong & I can see big discussions happening as to who's responsible if & when the system causes an accident or just stops in the middle of a rd because a sensor fails mid journey 😯
I just hope they've improved, years ago I had a 2002 Renault & that decided to cut out in the middle of the rd, turned out the fuel filter was dirty & pressure was down, unfortunately the software was programmed to shut the engine off completely rather than go into limited power mode 1st...
 

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The Dealerships are reopening for servicing and repairs - I had this email from Portsmouth NISSAN (Yeomans) yesterday.
I expect other Dealerships will follow suit.



Dear Mr Gosport Dave​


We are pleased to advise that following the changes to the Government COVID-19 guidelines, our Service Departments are now open for all customers. To ensure the safety of both our customers and our staff we have implemented significant changes to our facilities and our operating procedures. These include:​


• Designated and timed appointments to minimise queues and maintain social distancing​


• COVID-19 safety signage to direct you safely through all customer areas​


• Increased levels of showroom and workshop cleaning and sanitising processes​


• Personal protective equipment and sanitiser available for both customers and staff to use​


• Perspex screens on all service desks for added safety​


• Comprehensive sanitisation of your car to ensure that all touch points have been thoroughly cleaned prior to collection

Use the button below to book your next service, MOT or repair
 

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2019 Leaf 40
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Discussion Starter #23
Had to read the manual to find it but you can use dumb cruise by pressing pro pilot button in for 2 seconds.

My dealer has opened some branches but not the one I use unfortunately. I'm hoping they will do it soon.

Reading all the caveats in the user manual I think pro pilot might just be rubbish and not usable on anything than an arrow straight flat road with no camber or defects. The list of things that upset it is ridiculous.
 

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The world of covering ones arse is getting bigger & bigger, I've learnt to take things with a pinch of salt as times gone on..
They promise so much & sometimes deliver much less, hence the caveats in the manuals...
I doubt most dealers will have the equipment to calibrate the radar, they prob use a big auto crash repair company who will have a higher demand for it...
 

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Oh no, please don't put too much faith in crash auto repair businesses. They will not have all the specialist diagnostic, repair and calibration equipment required to repair complex driving aid equipment. They would have to do their repairs and then take vehicle to main dealer.
This then raises the question of how you would know for sure that your car was back working as it was designed to.
Would a repair organisation provide a statement to the effect that all systems were working as intended.
 

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This is going to become an issue as more cars have radar and cameras. The cameras need realigning when you get the windscreen replaced, maybe the end of £75 windscreen repairs.
 

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Discussion Starter #27
Who other than main dealers do camera alignment? The £75 is an insurance excess. The actual windscreen usually costs far more than that.
 

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My LV car insurance has an access of £95 for a replacement window screen and includes any necessary camera realignments - their contractor is Autoglass and you have to take your vehicle to them instead of them coming to you.

The whole process including replacement screen is 2 hours.


Links below for info.

ADAS calibration centres

ADAS guide
 

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I've been through this hassle with a previous car's windscreen replacement.

What you need is 'ADAS Alignment' - Can be done by some - but not many windscreen centres, and will need to be taken into their shop to be done. It's something that is still evolving / becoming more common to do, and not all manufacturers have approved 3rd parties to do this so might be worth asking around. ADAS is Advanced Driver Assistance Systems.

Hopefully this helps put you on the right path to have this checked. I would strongly suggest like others you err on the side of getting this done at a Nissan dealership. I get the feeling that this could be a warranty issue, and could well end up throwing a fair amount of money at it with 3rd parties, as it's still a relatively 'new' and developing area and still a cash cow.
 

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Discussion Starter #30
I may just have to just wait until the dealer is open. It's annoying but I haven't found anywhere else that has the right equipment and does it often enough to suggest the result will be correct.
 

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Who other than main dealers do camera alignment? The £75 is an insurance excess. The actual windscreen usually costs far more than that.
I've just had an email from a company who supply the ADAS equipment with current offers they're running ( I run a small garage ) I have asked them if they can supply a list of garages they've supplied the equipment to as it will be handy for me to know where I can take customers cars if needed..
Will see what they come back with..
 

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Discussion Starter #32
Played around with ProPilot a little more today. Put a band on the wheel to try the active steering to see whether it was as ridiculously wobbly as it felt. It was.

ACC is ok when there's nothing in front or it's a normal car. It's usually OK with vans. HGVs are a different story and it's all over the place. If you try and go past one it will panic and brake unless you have the nose angled away from the HGV. It's definitely aggravated by bigger vehicles. You have to basically push past them otherwise it will just keep slowing down and you'll never get by. It definitely thinks a lorry is in your lane when it isn't which is understandable as some are inches away from the white line quite a lot. Hills do seem to alter what it does when it has something in front. When there is nothing it seems steadier but others could be slowing up in front as some aren't very good at keeping a steady pace.

I think they have basically tested it with cars only and not tested it with bigger vehicles and got it to understand what it is following. HGVs take much longer to stop so they are less of a threat in front than a car suddenly stopping so the caution is kind of backwards.

An HGV in front on a curved bit of road is its nemesis. It just can't cope with that at all. HGVs going by also seem to bother it a bit so it's kind of useless anywhere that's got big trucks! You can reduce the effect by altering your path around the corner so the middle of the car is pointing more at the middle of the truck. If it's pointing at an edge it seems to be worse. I may have to experiment with this again to make sure I wasn't imagining that.
 

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I suspect you may have an alignment problem, as I have never experienced that when passing HGVs with ProPilot on. Of course you need to signal when changing lanes to overtake as it really doesn't like you doing that if you don't!

What do you mean by a band on the wheel?
 

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Discussion Starter #34 (Edited)
I know others have had it. It definitely gets ansty when there are HGVs around. Could mean showing the issue are all mis aligned or that the radar units are duff. I know there was a recall on some Bosch units so I do wonder whether more are affected and that's why there such a marmite response to pro pilot. It seems to work well for some and be awful for others.

Band was just a velcro cable tie thing I put at top dead centre of the wheel to see how much it moved left to right when I had the steering assist on.
 

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I had a m/cycle pass me in slow traffic today whilst using Pro-pilot & for a second or 2 it latched on to that & increased speed until the bike passed the car I was following & it slowed again just as I was just about to press the brake..
The Bike kept to the right side & didn't pull in front if me at all so no idea why it latched on to that rather than stay on the bigger object directly in front...
It was behaving itself untill then apart from the usual slow left to right tug on wheel I get with assistive steering..
Perhaps they need to do more testing & update the software..
Wonder if we all email Nissan they'll look into it, oh look a flying pig 😆..
 

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Easy stuff this software. Given that they can't get this right on a pedestrian free environment with one way traffic and limited side turnings they are a long way from full self-driving.
 

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Discussion Starter #37
I haven't noticed mine latch onto a motorbike or other vehicle in another lane. It does just seem to be upset by HGVs and to a less extent the LGVs and Luton type vans.

I'd love to get my paws on several other EVs and especially Teslas with ACC/Autopilot and test them over the same route to see how they behave.
 

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Easy stuff this software. Given that they can't get this right on a pedestrian free environment with one way traffic and limited side turnings they are a long way from full self-driving.
I can't see full Auto Pilot driving ever been available unless they completely change our road layouts, there's just too many variables along with pedestrians, cyclists, horses, pot holes, road works, crossings, etc etc etc..
I think the "assisted" driving can be done well, as some do work really well..
It's a shame manufacturers don't seem to be able to produce the vehicles they build to the same level, if the sensors are the same & the software is the same & it's calibrated the same it should work the same... Maybe a bit more time spent on quality control is needed 🤔
 

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I have experience of several cars with ACC, less with lane assist. Lane assist in all cars I have driven is poor for me, except on Motorways and other roads with really good white lines - otherwise, it is a nightmare - so it is turned off in my LEAF, which even on well-marked carriageways drives very much to the nearside white line. ACC is also somewhat disappointing in the LEAF too, as it seems to have very poor correlation with steering and so rushes towards a vehicle it was following perfectly as I go around a corner, as if it suddenly wasn't there - then brakes when it "sees" it again. Quite disconcerting. My 2013 Golf GTi handles this situation so much better. Also, the distance to be kept between me and the car in front can be "defaulted" in my Golf, but not the LEAF - or other newer VAG products I have driven for that matter.

Also, newer VAG cars I have had on loan seem to create more warning beeps about (false) hazards than my older Golf does; my LEAF is not quite as good as my Golf in this respect, but better than current VAG products, so a point to Nissan I think!
 
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