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How to change the date and time of the onboard computer of the Opel Astra H.

Model: Vauxhall Astra Astra H - Years 2004-2010
Part: Onboard computer

Let's see how to change the date and time on the Opel Astra H: find and press the settings button, which usually has a gear icon, located below the radio panel. Once in the menu, use the up/down buttons to navigate between options and select the "system" option by pressing the "ok" button to confirm. Select the "date and time" option and now we have two options: manual setting to manually enter the date and time following the instructions on the screen to change the values; or activate the option for automatic synchronization via GPS signal. Once the choice is made and the changes are made, they will be saved automatically.

Posted on 2 November 2025 by ScegliAuto

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