Quite few cars now have no temp gauge only a warning light somewhere.
One point which is often overlooked though is an inaccurate gauge is possibly worse then no gauge at all.
Personally I have always regarded gauges as "an estimate" of what ever they are reporting at best given they are built down to a cost.
Interestingly I have found there is , on my car at least , a "service reporting" function which display things like volts , amps , oil press and a few other things on the trip computer.
Accessing this info is via a sequence of button pushing on the normal trip function panel on the display.
Peter.
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