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post #1 of 6 (permalink) Old 3rd November 2006 Thread Starter
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Unhappy kmh to mph

Can some one help me please !!!

Battery went flat on my Laguna II, had it jumped and the clock has gone from mph to kmh ? strange, talked to Renault on the phone and they said, sorry new dash board about 600.00 + fitting. ( f*~k That )

Is this true or can somebody point me in the right direction please.

Many thanks

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post #2 of 6 (permalink) Old 3rd November 2006
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My main dealer removed the battery on a main service a couple of years ago and the dash did just that

A new dash was fitted at dealer cost (not RCS )

Its a design 'feature'

I would have thought that the dealer would know the work around if there was one, but a new dash was fitted (with mileage reset to zero)

Sorry I cannot give more encouraging news

Maybe there is a workaround from someone else on here?

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post #3 of 6 (permalink) Old 3rd November 2006
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It sounds like the jump-start has spiked the dash. It's too late for you now, but the recommendation is to turn on the car's side lights before disconnecting or reconnecting the battery, and I'd imagine the same applies to jump starting. Apparently it considerably reduces the chances of this fault occurring.

We've never had a definitive explanation as to the cause, but it seems likely that the configuration flash memory gets fried by the spike. Without the memory, the dash reverts to kilometers at power-on. Trying to re-program it doesn't make much difference, as it'll forget the new settings as soon as power is lost.

The dealer is right - you need a replacement panel. You could press RCS for a contribution based on the fact that this is a known weakness on the car, and an instrument panel should not be 'zapped' by something as simple as a jump-start, but I suspect you'd be wasting your time.
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post #4 of 6 (permalink) Old 14th September 2007
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Hi Horatio!

could you tell me how exactly damage the milometer? I am form Poland and I bought laguna in UK which is in miles. As ypu know in Poland we used kmh and I'm intresting in how can I change the speedometer.

I know that I have to disconnect the batery and I do this but it doesn't works.

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post #5 of 6 (permalink) Old 14th September 2007
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I presume you have tried the obvious - If I remember correctly on the laguna you press the stalk button on the Right stalk and press a 'dash' button ? Odometer to change between Kp/h and Mp/h
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