Strange behaviour from Sat Nav

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yellowplum
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Strange behaviour from Sat Nav

Post by yellowplum »

I was driving along happily using the Sat Nav on Monday around 100 miles into the journey the nav just started acting really crazy, it put me around 40 miles from the location I actually was in. It continued to function and kept trying to get me on a road, moved about, gave directions etc - just was 40 miles away.

Tried resetting it with the three buttons, did nothing, installed the navigation DVD again, did nothing. Went to the dealer to try and get them to hard reset (if such a thing exists) spent 40 minutes with a Muppet from sales who was pressing every button under the sun - of course did nothing.

What a strange thing to occur, anyone else had a similar issue? How do you reset the Nav? The only thing I haven't done is reinstall the firmware...

It is booked in to a dealer on Monday to take a look at...
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aesmidz
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Re: Strange behaviour from Sat Nav

Post by aesmidz »

Yes. I had similar, and chatted to someone in a Porsche in the same location and they had the same problem! It corrected itself and all was ok! Although I did remove the unit to ensure the sattelite receiver was still correctly located, and it was ok
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bitmadmax
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Re: Strange behaviour from Sat Nav

Post by bitmadmax »

This symptom sounds like it's not receiving an accurate GPS signal. Check in the setup of the unit (can't remember which menu specifically) how many GPS satellites it's locked onto - should be at least 3 if you're in the UK. What is the signal strength?

Also check your shark fin - has someone tried to steal it perhaps and loosened its connection?

Had any alterations/work done on the car?

Any electrical items on you that might be causing interference?

What is the nav like using an external unit (eg tomtom?) - does that seem to suffer the same issue?

Failing that, it is hopefully a temporary issue and should sort itself out (eventually) :eyepop:
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bianco
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Re: Strange behaviour from Sat Nav

Post by bianco »

If the GPS is totally lost (fx. just installed new firmware) then it takes between 10 and 20 minutes for it to synchronies time with the satellites, and acquire a position.

Try to let it find it self for 30 min. If it can't, then I would say something is broken.
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jonallen628
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Re: Strange behaviour from Sat Nav

Post by jonallen628 »

You didn't touch the map with your finger at any point in the journey did you? This stops the map tracking your progress and stays put on that location. A symbol appears in top rh corner of screen which centres the map on your position. Looking at all the lengths you went to , to reset the unit I guess the problem is more serious .
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yellowplum
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Re: Strange behaviour from Sat Nav

Post by yellowplum »

jonallen628 wrote:You didn't touch the map with your finger at any point in the journey did you? This stops the map tracking your progress and stays put on that location. A symbol appears in top rh corner of screen which centres the map on your position. Looking at all the lengths you went to , to reset the unit I guess the problem is more serious .

If I had touched it with my finger it would be in a fixed position, as stated it tracks progress and moves although being places 40 miles from the current location.
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jonallen628
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Re: Strange behaviour from Sat Nav

Post by jonallen628 »

Ok no probs, mis Interpreted the issue.
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yellowplum
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Re: Strange behaviour from Sat Nav

Post by yellowplum »

Dealer thinks it needs a new antenna, so have ordered that for tomorrow. We will see if that corrects the problem, bit strange that 2.5 years into owning it, and half way through a journey it decides to pack up like that - but who am I to question such oddities :)
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yellowplum
Posts: 379
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Re: Strange behaviour from Sat Nav

Post by yellowplum »

vwolf wrote:This symptom sounds like it's not receiving an accurate GPS signal. Check in the setup of the unit (can't remember which menu specifically) how many GPS satellites it's locked onto - should be at least 3 if you're in the UK. What is the signal strength?

Also check your shark fin - has someone tried to steal it perhaps and loosened its connection?

Had any alterations/work done on the car?

Any electrical items on you that might be causing interference?

What is the nav like using an external unit (eg tomtom?) - does that seem to suffer the same issue?

Failing that, it is hopefully a temporary issue and should sort itself out (eventually) :eyepop:

Just for clarity - No, No, No, Don't know don't have one.
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yellowplum
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Re: Strange behaviour from Sat Nav

Post by yellowplum »

Fixed - was the aerial base in the roof - how strange that it goes after 2.5 years
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bianco
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Re: Strange behaviour from Sat Nav

Post by bianco »

And odd that it still worked partially.

Good to hear that You got it fixed.
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yellowplum
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Re: Strange behaviour from Sat Nav

Post by yellowplum »

Well I am only going on what the dealer said - and lets face it the dealer here is a pile of pants
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Ryy
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Re: Strange behaviour from Sat Nav

Post by Ryy »

Hmmm.. I was following you updating your unit, but couldn't be bothered doing myself... maybe your unit couldn't take the updates it was given ;)
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yellowplum
Posts: 379
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Re: Strange behaviour from Sat Nav

Post by yellowplum »

Maybe, however it has had those updates for over a year and was updated to F/W 4020 in March with 8.0 maps, also when they repaired it they didn't reinstall anything or update it.
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