Troubleshooter: Are those really gauges on your dash?
indicators. If you want to see an instrument panel with gauges, you need to sit behind the controls of an airliner or stand in the wheelhouse of a sea-going ship. All you’ll find in cars, no matter how expensive they are, are rough indicators.” Basically, in a nutshell, if your life depends on one psi, or one knot of airspeed, or one degree of heading, or a few revolutions per minute (as when you’re flying), you want gauges and related systems designed for accuracy. Sometimes vehicle own...
Source: driving.ca