See also:

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhau ...

Recommended Fluids and Lubricants
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Voltmeter Gauge
This gauge indicates the battery voltage when the ignition is turned on. When the ignition is on, this gauge indicates the battery voltage. When the engine is running, this gauge shows the conditi ...