Satallite Navigation Issues
Discussion
Has anyone experienced problems with the Satallite Navigation in an XKR?
My 2000 XKR has a nasty habit of losing the direction the car is travelling in. Ussually in the same area, on some occassions the car will appear to be travelling backwards. The GPS must be working because it is moving along the road every few seconds, but the arrow is pointing in the wrong direction, and the voice prompt tells me to do a u-turn if it is possible.
On other occassions the map has actually began to spin, which is fun. (and no I am not doing donuts at the time)
It is not the age of the DVD because it does the same thing with the Nov 2003 DVD, as it does with the 2000 DVD.
My 2000 XKR has a nasty habit of losing the direction the car is travelling in. Ussually in the same area, on some occassions the car will appear to be travelling backwards. The GPS must be working because it is moving along the road every few seconds, but the arrow is pointing in the wrong direction, and the voice prompt tells me to do a u-turn if it is possible.
On other occassions the map has actually began to spin, which is fun. (and no I am not doing donuts at the time)
It is not the age of the DVD because it does the same thing with the Nov 2003 DVD, as it does with the 2000 DVD.
I suppose I am not having much luck, but in a way I am having a lot of luck.
I bought the car in March. It was under warranty until October. So far it has had a new engine, rear suspension, and steering rack.
Normally some of the little niggles like the sat nav, which is only occasional would get left. However since it is under warranty I may as well press on to get them sorted.
The warranty has paid out nearly £9,000 in the last 4 months. How lucky is that?
I bought the car in March. It was under warranty until October. So far it has had a new engine, rear suspension, and steering rack.
Normally some of the little niggles like the sat nav, which is only occasional would get left. However since it is under warranty I may as well press on to get them sorted.
The warranty has paid out nearly £9,000 in the last 4 months. How lucky is that?
Dunno if this effects Jaguar GPS systems, but this is my experience of a homemade one. The raw data from a GPS, i.e. the triangulation of your position from the satellite data, is not that stable ... trees, buildings, etc can obscure the line of site to the satellites ... and the fixings can be quite inaccurate depending on the number and the spatial distribution of the satellites. The thing which compensates for this is the quality of the software in the car (and often a feed from a speed sensor). So long as it can tell the difference between a good fix and a spurious one, and understands that your car is usually on the road, not in a river, and can't leap 100 yds through hedges or down cliffs ... then it can maintain a good idea of where you are. If however the software is a bit pants, then it may follow the fixes coming from the GPS a bit too literaly, leading to an increased performance envelope for your car ... i.e. inertia free cornering and flight.
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