why do cars have gauge charts? why use gauges on dashboards why do cars have gauges on dashboards why is a gauge chart bad why do cars have a gauge why is a gauge dashboard why are gauges on cars why do cars have gauges why do cars have gauges why does a car have gauges why have gauge charts on dashboards why do we use gauges? why car dashboards have gauges what is the glass cockpit do cars have gauges why do cars have a gauge bar? why do dashboards have gauges why do planes have gauges why do car dashboards contain gauges what is the difference between a gauge chart and a car dashboard