Honda Jazz Advance Sport Hev 2024 - speed alarm

[Kremmen]

I know this speed alarm is now a manufacturer wide implementation but the complaints across the forums I read are building

Whoever thought up and signed this off are not regular drivers. As has been pointed out, with the difference between car speedo and true speed you could be 'beeped' when you're not actually speeding

Then there are the many reported false sign readings that trigger it, some seem to be speed roundels on the back of large vehicles

[Lord Voltermore]

Another problem with this technology is that the cars speedometer reads 2mph faster than the satnav, so the car will beep at you even though technically you haven't actually exceeded the speed limit.

Its always been the case that car speedos have read low, by up to 10%. Erring on the side of safety.  I doubt a new safety system would  be fully effective if it led to an overall increase in speeds by 10%.   

My old garmin standalone satnav always displayed my actual speed using GPS, more accurate than the car speedo . (confirmed by those speed cameras that display your speed as a warning)     Thus i would often cruise at 70 mph on the satnav, showing about 75 mph on the car.  Legal speed, but using up any 'leeway' allowance on a speed camera.       But occasionally you would encounter a 'righteous' driver who felt it was their duty to impose the speed limit on others by lane blocking. 70 mph on their speedo , but in reality they were only doing  about 65  mph   

The Honda Garmin doesnt display your actual speed.  Does the new one ? 

[Lord Voltermore]

After 1200 miles in a new advance the bleeps haven't bothered me at all. Not very loud, and not that often 
Easy enough to ignore if ,having been reminded to check ,I decide human knows better .     (such as if it reads the  lower speed limit sign  from a side road  )

[Will Once]

I thought it would drive me crazy, but it hasn’t taken long to get used to it. The bong isn’t too loud and it is only an audible alarm.

One trick I’ve tried is to use the intelligent speed limiter to keep down to the speed limit. The jury is out for me on whether I use that trick often.

[Westy36]

That bong would do my absolute nut in. I wonder how much of the dash you would have to remove to get to the little speaker that makes the noise? Stupid idea. I don't speed often, but when I do roll a few mph over the limit, I don't need my car having a fit about it.

 
 

[Kremmen]

Fully agree

With this revelation that all new cars are to have this by law I'm glad my current Jazz will be my last car

With the proliferation of 20mph zones it's so easy to drift over that limit

[NoelM]

Just wait for the next lot of proposed changes where the car will not be able to go over the speed limits. Daft idea yes, but that is what is currently being proposed in Europe

[Lord Voltermore]

Its a personal opinion of what is annoying, and I accept  some may  be more sensitive to certain tones etc. But  I find it discreate, and no problem at all.    So does Mrs LV , who can hear a fridge being opened or a sneaky sweet  being unwrapped from anywhere in the house      No reason IMO to put off updating your car, or stopping driving. 

I have found it particularly  helpful with the increasingly common  20 mph limits. On roads that really dont justify  a 20 mph limit I find I naturally drive at 23 mph unless reminded.      On roads that really need the 20 mph limit I often drive slower than that anyway . If I chose to  occasionally exceed the limit( by a couple of mph    its no big deal with the car

[Tox Laximus]

Dukes of Hazzard horns (30 quid on amazon) can just fit into a Jazz near the window washer reservoir, they will silence the bongs and pretty much every other noise known to man apart from a Saturn Five rocket and they don't make them rockets anymore.

[Kenneve]

After 1200 miles in a new advance the bleeps haven't bothered me at all. Not very loud, and not that often 
Easy enough to ignore if ,having been reminded to check ,I decide human knows better .     (such as if it reads the  lower speed limit sign  from a side road  )

Yes, I think it should also be said, to members unfamiliar with the Mk4, that the 'beep' volume can be adjusted in Settings, down to level which to me is acceptable and of course the system will only give 3 short 'beeps', as you exceed the speed limit.
It does NOT beep continuously, whilst travelling over the limit.

[madasafish]

After 1200 miles in a new advance the bleeps haven't bothered me at all. Not very loud, and not that often 
Easy enough to ignore if ,having been reminded to check ,I decide human knows better .     (such as if it reads the  lower speed limit sign  from a side road  )

Y
It does NOT beep continuously, whilst travelling over the limit.

so why all the fuss?

[Jazzik]

Because there are people who enjoy causing a fuss? 

[ColinB]

Yesterday I went to our household waste site on an industrial estate.   Speed limit in the waste facility   is 10 mph with roundel signs.  When I left the facility  and drove on 'normal' roads with a 30 mph limit the car continued to display a 10 mph roundel  and bonged when I exceeded this  . After about 500 metres the display changed to the applicable 30 mph.   Soon after that the limit changed to 40 mph (visible signs) and because the road was rural I increased speed a bit prematurely.  No bongs. 
  Interesting thing (for me)  is I had not passed any  30 mph signs on leaving the site  (I have double checked by using google street view) Yet  somehow the car  roundel display  eventually changed from 10 mph to 30mph ..Was this because it hadnt detected a 10 mph sign for some time?Did it change to 30 mph by default, or because that was the previously  detected speed  , or did it know the speed limit was 30 mph using mapping and GPS data rather than sign recognition?   

That’s piqued my interest. How does the system know what the speed limit is if there are no signs? We all know that if there are street lights but no signs, the limit is 30 (unless you’re in Wales). Likewise motorways don’t have NSL signs after you’ve joined. So how does the car know?

[Lord Voltermore]

That’s piqued my interest. How does the system know what the speed limit is if there are no signs? We all know that if there are street lights but no signs, the limit is 30 (unless you’re in Wales). Likewise motorways don’t have NSL signs after you’ve joined. So how does the car know?

Me too.
 With the car on my driveway,and only 10 metres from the road , the "HERE" navigation shows it  as off road, with a little  blue  breadcrumbs trail leading to the road . The  dashboard display has no speed limit shown, just 3 dots in a  circle.  So out of interest I took the car for a short drive on the road, which is 30 mph limit.  The 3 dots changed to 30mph   after driving about 50 metres. It definitely couldnt have recognised a speed sign, there are none.     Fairly conclusive that  in areas where no signs are displayed it uses GPS data .It may overide this if a different speed sign is recognised.   With hindsight I think that when I left the tip the speed display changed from 10 mph  to 30 sooner than I realised.   

As an added intrigue , when I started the car  the satnav took a  few seconds longer than normal to start up and displayed on the screen "Location and Vehicle sharing data".   I'd never noticed that  before.  Its probably computer speak for "where the heck are we?".   

[John Ratsey]

I'm resurrecting this discussion now that I have first-hand experience of the three bong problem which is annoying my wife even more than it's annoying me. As already noted, it's hard work trying to controlling speed to 19.9mph in the increasingly proliferating 20mph zones and Honda's system is intolerant of driving at the speed limit. I have dashcam evidence of the bongs occurring at 20mph (ie not speeding) which, I suspect to the alarm being triggered by the displayed speed (actual speed plus at least 1mph, perhaps 2mph) rather than using the actual speed as the reference.

The EU Intelligent Speed Assistance regulation https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=OJ:L:2021:409:FULL provides manufacturers with several alarm options including a vibrating steering wheel or accelerator pedal which the driver would notice (even if hard of hearing) but wouldn't disturb the passengers. There's plenty more in that document.

The EU regulations also encourage a secondary source of speed limit data although speed signs take precedence. The Here mapping provides this which probably explains why Honda is using now this on the Jazz sat-nav. This probably explains why the vehicle now displays the speed limit all the time instead of '--' if it hasn't seen a sign recently but can also provide misleading information through roadworks with speed limits if there aren't sufficient signs.

Another bug in Honda's implementation of ISA is that it appears to apply a speed limit as soon as it can read a speed sign rather than when passing the sign. This results in the three bongs even while the vehice is slowing down before the speed limit is applicable.

A further annoyance is getting the three bongs when decelerating after the driver realises that they have exceeded the speed limit when accelerating after traffic lights / junctions / roundabouts / etc. This is easily done with the e:HEV system with plenty of low speed torque.

Ultimately, concentration on watching the speedometer to try to avoid the bongs creates a new safety hazard.