Why don't satnav updates show the latest road changes?

I just wanted to alert your readers to the fact that the Garmin SD update card for the Kenwood Sat Nat in Skodas is at least 12 months out of date. I purchased a card for £78 from their website in October 2012 which did not show the Hindhead Bypass which opened in July 2011. Garmin was unable to provide a satisfactory answer.

Asked on 9 February 2013 by RJ, South Harrow

Answered by Honest John
It's a mapping problem. First roads need to be mapped by Ordnance Survey. Then Navteq needs to digitise the maps. So it can take years for a new road to appear in the mapping.
Tags: sat nav gps
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