Tachometer
In this manual: Tachometer
~1min read

The tachometer shows the approximate engine speed in revolutions per minute (rpm).
Use the tachometer to select the correct gear and to prevent engine lugging or over-revving.
The tachometer needle may move slightly when the ignition switch is in ACC or ON with the engine off. This movement is normal and does not affect tachometer accuracy once the engine is started.
CAUTION Do not operate the engine in the RED ZONE of the tachometer.This may cause serious engine damage.
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A quick Kia Rio YB quiz: every answer comes with an explanation and a link to the manual page.
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