See also:

Fluid Capacities
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25. Temperature Gauge
The temperature digital scale shows engine coolant temperature. Any reading within the normal range indicates that the engine cooling system is operating satisfactorily. The gauge pointer will lik ...

General warnings
WARNING If the warning light does not turn on when turning the ignition key to MAR or if it stays on when travelling, this could indicate a failure in safety retaining systems; under this condit ...