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How to Check the Water Temperature on the Opel Astra H

Model: Vauxhall Astra Astra H - Years 2004-2010
Part: Instrument cluster

A handy trick to monitor the water temperature and speedometer on the Opel Astra H: turn on the radio and press the "setting" button until you hear a "beep". Then, press the "bc" button until a series of values appears: "OT" with a numerical value next to it indicates the water temperature. Next to it, you will see a "v": this is the speed measured digitally. "Sens" shows the outside temperature, measured by the more accurate sensor compared to the one that displays the temperature in the top right. In the top left, you can see the time of day.

Updated on 10 August 2026 by ScegliAuto

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