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VXOC Astra-J/GTC › Astra-J/GTC Section › Astra-J/GTC
Speedo

VXOC Astra-J/GTC › Astra-J/GTC Section › Astra-J/GTC
Speedo

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Speedo
Mspencer
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#1
24:th-Sep-2018, 02:30:57
Hi guys and girls

I’ve started you use the motorway quite a bit lately and I’ve noticed if I want to go 70mph the speed on the clocks must be 76 mph is this common or do I need a software update or something

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Jpbroad1970
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#2
24:th-Sep-2018, 07:06:39
It's common for speedo to be out to gps speed, it's doesn't sound to far as it's only 10% saves you getting a speeding fine.
NAVI950 , DAB+ & Rear Camera , quick heat, auto lights and rain sensor retrofit
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Mspencer
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#3
24:th-Sep-2018, 08:30:06
Oh that’s good as long as it not just me
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Big Dave2
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#4
24:th-Sep-2018, 10:59:02
Speedo will never be 100% accurate. As tyres wear, the circumference lessens, and subsequently will affect the speedo reading.
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Lansa
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#5
25:th-Sep-2018, 10:53:56
Mine is off by about 2.5 miles. Quite normal on any car.
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Reverse Camera, Quick heat, Navi 950, dual horn, TPMS.

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