GPS Time & Summer DST setting

[dubber36]

I can't understand why it can't change automatically using RDS or GPS.

I noticed an odd thing in my B7 Passat earlier in the year. I had set the instruments to ROW so that I could have the big digital speedo. When in France, the units changed to metric, so did the nav commands, but the clock stayed on UK time.

[mcmaddy]

Maybe it's supposed to but doesn't. I wonder what would happen if you just left the nav unit alone, would it update itself from gps then? How long would you leave it though before you changed it manually haha

[CraigW]

It's literally a 2 second job. It's no big deal to change it yourself 

[mcmaddy]

Yeah we know it is but just wondering if it's another VW faux pa in the manual where they state it will auto update. I think they mean when you check or uncheck the box it auto updates.

[GeoBog]

Would be interesting to see what he has ticked in nav pro options for his to update automatically. It's maybe another feature that we don't get in the UK 

I'm not too bothered about this. It doesn't matter if I need to tick a box on the screen twice a year, I can do that, no problem. It's just the fact that the manual is confusing (probably the g-english translation) and makes you think something is wrong with your car.

On the other hand, if the source of the clock is the GPS, normally the time should be updated based on your position and date. At least that is what is happening on my standalone Sat Nav.

[p3asa]

Maybe I'm missing the point here but if the time is set by the GPS and it doesn't change when the clocks get moved, can it be relied on to always be accurate?

I would expect any clock that was set by GPS, RDS or Radio Controlled, to be accurate, even if you change it manually by a few minutes it should change back to the correct time next time it syncs or whatever its called. Or is that to simplistic?

[corgi]

I can't understand why it can't change automatically using RDS or GPS.

GPS has historically been used to set the minutes leaving the hours to be set manually - I don't know why. Vauxhall/Opel have used RDS since the mid 90's to set the clock. I guess others do it as well...

[dubber36]

GPS has historically been used to set the minutes leaving the hours to be set manually - I don't know why. Vauxhall/Opel have used RDS since the mid 90's to set the clock. I guess others do it as well...

My Garmin Edge Cycle GPS device didn't need telling that the clocks had changed. When it is switched on and finds a satellite, it knows the correct time all by itself.

[p3asa]

I was out in the car yesterday for the first time after the clocks had changed and the only way to change the time was to put it to manual.
The summer button wouldn't let me activate it which is strange. I guess it knows by the date its not summer?!
So I set the time manually which was fine. I then changed the setting from manual back to GPS and immediately it went to an hour ahead.

So the GPS must set the time but it must be an hour out. The only way around this was to keep it on the GPS setting but change the time zone I was in to -1

[fredgroves]

GPS gives a time signal as Zulu time (ie GMT+0). GPS is a US military system, US military runs on Zulu Time.

The time zone setting gives the offset, the summertime setting adjusts it.

Why VW can't figure out what the date for summertime switch over based on all the other settings is whacked. You computer and phone etc work it out just fine... with the same data available.