See also:

Front seats
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Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock”. (Spark knock is a metallic rapping noise.) If severe, this can lead to engin ...

Engine coolant temperature gauge
The gauge A indicates the engine coolant temperature. The engine coolant temperature is within the normal range when the gauge is within the zone B shown in the illustration. The engine cool ...