[nmanfield]

Originally Posted by daz

OK I'll bite,  why not rely solely on it?

Sure it may go wrong or not function correctly but then so could a analogue guage.

In which case maybe we should all have 2 guages just in case one goes wrong, and how would we know which one had gone wrong if there was a discrepency?

Yep it's a gimmick, yep it's a expensive luxary, but personally I would not consider it any more unreliable than a analogue guage.

Daz