See also:

Engine codes - bodywork versions
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28. Tachometer
The white area of the scale shows the permissible engine revolutions-per-minute (RPM x 1000) for each gear range. Before reaching the red area, ease up on the accelerator to prevent engine damage. ...

The fiat code system
To further protect you car from theft, it has been fitted with an engine immobilising system. This system is automatically activated when the ignition key is removed. An electronic device, in fact, ...