See also:

Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Conn ...

Warning Lights, Gauges, and Indicators
Warning lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gauges could p ...

Engine Coolant Temperature Gauge
Metric English This gauge shows the engine coolant temperature. If the gauge pointer moves toward the shaded area, the engine is too hot. In eAssist vehicles, the engine coolant warnin ...